18605555820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:156

約数の個数: 720

約数和(自身を含む): 69035107680

約数和(自身を除く): 50429551860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 31, 34, 36, 37, 38, 45, 51, 54, 57, 60, 62, 68, 74, 76, 81, 85, 90, 93, 95, 102, 108, 111, 114, 124, 135, 148, 153, 155, 162, 170, 171, 180, 185, 186, 190, 204, 222, 228, 255, 270, 279, 285, 306, 310, 323, 324, 333, 340, 342, 370, 372, 380, 405, 444, 459, 465, 510, 513, 527, 540, 555, 558, 570, 589, 612, 620, 629, 646, 666, 684, 703, 740, 765, 810, 837, 855, 918, 930, 961, 969, 999, 1020, 1026, 1054, 1110, 1116, 1140, 1147, 1178, 1258, 1292, 1332, 1377, 1395, 1406, 1530, 1539, 1581, 1615, 1620, 1665, 1674, 1710, 1767, 1836, 1860, 1887, 1922, 1938, 1998, 2052, 2108, 2109, 2220, 2294, 2295, 2356, 2511, 2516, 2565, 2635, 2754, 2790, 2812, 2883, 2907, 2945, 2997, 3060, 3078, 3145, 3162, 3230, 3330, 3348, 3420, 3441, 3515, 3534, 3774, 3844, 3876, 3996, 4185, 4218, 4588, 4590, 4743, 4805, 4845, 4995, 5022, 5130, 5270, 5301, 5508, 5580, 5661, 5735, 5766, 5814, 5890, 5994, 6156, 6290, 6324, 6327, 6460, 6660, 6882, 6885, 7030, 7068, 7548, 7695, 7905, 8370, 8436, 8649, 8721, 8835, 9180, 9435, 9486, 9610, 9690, 9990, 10013, 10044, 10260, 10323, 10540, 10545, 10602, 11322, 11470, 11532, 11628, 11780, 11951, 11988, 12555, 12580, 12654, 13764, 13770, 14060, 14229, 14415, 14535, 14985, 15390, 15810, 15903, 16337, 16740, 16983, 17205, 17298, 17442, 17670, 18259, 18870, 18972, 18981, 19220, 19380, 19499, 19980, 20026, 20646, 21090, 21204, 21793, 22644, 22940, 23715, 23902, 25110, 25308, 25947, 26163, 26505, 27540, 28305, 28458, 28830, 29070, 29970, 30039, 30780, 30969, 31620, 31635, 31806, 32674, 33966, 34410, 34596, 34884, 35340, 35557, 35853, 36518, 37740, 37962, 38998, 40052, 41292, 42180, 42687, 43245, 43586, 43605, 47430, 47709, 47804, 49011, 50065, 50220, 50949, 51615, 51894, 52326, 53010, 54777, 56610, 56916, 56943, 57660, 58140, 58497, 59755, 59940, 60078, 61938, 63270, 63612, 65348, 65379, 67932, 68820, 71114, 71145, 71706, 73036, 75924, 77841, 77996, 79515, 81685, 84915, 85374, 86490, 87172, 87210, 90117, 91295, 92907, 94860, 94905, 95418, 97495, 98022, 100130, 101898, 103230, 103788, 104652, 106020, 106671, 107559, 108965, 109554, 113220, 113886, 116994, 119510, 120156, 123876, 126540, 129735, 130758, 130815, 142228, 142290, 143412, 147033, 150195, 154845, 155682, 159030, 163370, 164331, 169830, 170748, 172980, 174420, 175491, 177785, 179265, 180234, 182590, 185814, 189810, 190836, 194990, 196044, 196137, 200260, 203796, 206460, 213342, 213435, 215118, 217930, 219108, 227772, 233988, 238545, 239020, 245055, 254745, 259470, 261516, 261630, 270351, 273885, 284580, 284715, 292485, 294066, 300390, 309690, 310403, 311364, 318060, 320013, 322677, 326740, 326895, 328662, 339660, 350982, 355570, 358530, 360468, 365180, 370481, 371628, 379620, 389205, 389980, 392274, 426684, 426870, 430236, 435860, 441099, 450585, 464535, 477090, 490110, 492993, 509490, 518940, 523260, 526473, 533355, 537795, 540702, 547770, 569430, 584970, 588132, 588411, 600780, 604469, 619380, 620806, 640026, 645354, 653790, 657324, 675583, 701964, 711140, 717060, 735165, 740962, 778410, 784548, 811053, 821655, 853740, 877455, 882198, 901170, 929070, 931209, 954180, 960039, 968031, 980220, 980685, 985986, 1018980, 1052946, 1066710, 1075590, 1081404, 1095540, 1111443, 1138860, 1169940, 1176822, 1208938, 1241612, 1280052, 1290708, 1307580, 1323297, 1351166, 1351755, 1470330, 1478979, 1481924, 1552015, 1556820, 1579419, 1600065, 1613385, 1622106, 1643310, 1754910, 1764396, 1765233, 1802340, 1813407, 1852405, 1858140, 1862418, 1920078, 1936062, 1961370, 1971972, 2026749, 2105892, 2133420, 2151180, 2205495, 2222886, 2353644, 2417876, 2464965, 2632365, 2646594, 2702332, 2703510, 2793627, 2880117, 2940660, 2942055, 2957958, 3022345, 3104030, 3158838, 3200130, 3226770, 3244212, 3286620, 3334329, 3377915, 3509820, 3530466, 3626814, 3704810, 3724836, 3840156, 3872124, 3922740, 4053498, 4055265, 4410990, 4445772, 4656045, 4800195, 4840155, 4929930, 5264730, 5293188, 5407020, 5440221, 5557215, 5587254, 5760234, 5884110, 5915916, 6044690, 6080247, 6208060, 6317676, 6400260, 6453540, 6616485, 6668658, 6755830, 7060932, 7253628, 7394895, 7409620, 7897095, 8106996, 8110530, 8380881, 8821980, 8826165, 9067035, 9312090, 9600390, 9680310, 9859860, 10002987, 10133745, 10529460, 10880442, 11114430, 11174508, 11484911, 11520468, 11768220, 12089380, 12160494, 13232970, 13337316, 13511660, 13968135, 14400585, 14789790, 15794190, 16221060, 16320663, 16671645, 16761762, 17652330, 18134070, 18240741, 18624180, 19200780, 19360620, 20005974, 20267490, 21760884, 22228860, 22969822, 24320988, 25142643, 26465940, 27201105, 27936270, 28801170, 29579580, 30008961, 30401235, 31588380, 32641326, 33343290, 33523524, 34454733, 35304660, 36268140, 36481482, 40011948, 40534980, 41904405, 45939644, 48961989, 50014935, 50285286, 54402210, 54722223, 55872540, 57424555, 57602340, 60017922, 60802470, 65282652, 66686580, 68909466, 72962964, 81603315, 83808810, 91203705, 97923978, 100029870, 100570572, 103364199, 108804420, 109444446, 114849110, 120035844, 121604940, 125713215, 137818932, 150044805, 163206630, 167617620, 172273665, 182407410, 195847956, 200059740, 206728398, 218888892, 229698220, 244809945, 251426430, 273611115, 300089610, 310092597, 326413260, 344547330, 364814820, 413456796, 489619890, 502852860, 516820995, 547222230, 600179220, 620185194, 689094660, 930277791, 979239780, 1033641990, 1094444460, 1240370388, 1550462985, 1860555582, 2067283980, 3100925970, 3721111164, 4651388955, 6201851940, 9302777910, 18605555820]

約数ペア:

[(1, 18605555820), (2, 9302777910), (3, 6201851940), (4, 4651388955), (5, 3721111164), (6, 3100925970), (9, 2067283980), (10, 1860555582), (12, 1550462985), (15, 1240370388), (17, 1094444460), (18, 1033641990), (19, 979239780), (20, 930277791), (27, 689094660), (30, 620185194), (31, 600179220), (34, 547222230), (36, 516820995), (37, 502852860), (38, 489619890), (45, 413456796), (51, 364814820), (54, 344547330), (57, 326413260), (60, 310092597), (62, 300089610), (68, 273611115), (74, 251426430), (76, 244809945), (81, 229698220), (85, 218888892), (90, 206728398), (93, 200059740), (95, 195847956), (102, 182407410), (108, 172273665), (111, 167617620), (114, 163206630), (124, 150044805), (135, 137818932), (148, 125713215), (153, 121604940), (155, 120035844), (162, 114849110), (170, 109444446), (171, 108804420), (180, 103364199), (185, 100570572), (186, 100029870), (190, 97923978), (204, 91203705), (222, 83808810), (228, 81603315), (255, 72962964), (270, 68909466), (279, 66686580), (285, 65282652), (306, 60802470), (310, 60017922), (323, 57602340), (324, 57424555), (333, 55872540), (340, 54722223), (342, 54402210), (370, 50285286), (372, 50014935), (380, 48961989), (405, 45939644), (444, 41904405), (459, 40534980), (465, 40011948), (510, 36481482), (513, 36268140), (527, 35304660), (540, 34454733), (555, 33523524), (558, 33343290), (570, 32641326), (589, 31588380), (612, 30401235), (620, 30008961), (629, 29579580), (646, 28801170), (666, 27936270), (684, 27201105), (703, 26465940), (740, 25142643), (765, 24320988), (810, 22969822), (837, 22228860), (855, 21760884), (918, 20267490), (930, 20005974), (961, 19360620), (969, 19200780), (999, 18624180), (1020, 18240741), (1026, 18134070), (1054, 17652330), (1110, 16761762), (1116, 16671645), (1140, 16320663), (1147, 16221060), (1178, 15794190), (1258, 14789790), (1292, 14400585), (1332, 13968135), (1377, 13511660), (1395, 13337316), (1406, 13232970), (1530, 12160494), (1539, 12089380), (1581, 11768220), (1615, 11520468), (1620, 11484911), (1665, 11174508), (1674, 11114430), (1710, 10880442), (1767, 10529460), (1836, 10133745), (1860, 10002987), (1887, 9859860), (1922, 9680310), (1938, 9600390), (1998, 9312090), (2052, 9067035), (2108, 8826165), (2109, 8821980), (2220, 8380881), (2294, 8110530), (2295, 8106996), (2356, 7897095), (2511, 7409620), (2516, 7394895), (2565, 7253628), (2635, 7060932), (2754, 6755830), (2790, 6668658), (2812, 6616485), (2883, 6453540), (2907, 6400260), (2945, 6317676), (2997, 6208060), (3060, 6080247), (3078, 6044690), (3145, 5915916), (3162, 5884110), (3230, 5760234), (3330, 5587254), (3348, 5557215), (3420, 5440221), (3441, 5407020), (3515, 5293188), (3534, 5264730), (3774, 4929930), (3844, 4840155), (3876, 4800195), (3996, 4656045), (4185, 4445772), (4218, 4410990), (4588, 4055265), (4590, 4053498), (4743, 3922740), (4805, 3872124), (4845, 3840156), (4995, 3724836), (5022, 3704810), (5130, 3626814), (5270, 3530466), (5301, 3509820), (5508, 3377915), (5580, 3334329), (5661, 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1138860), (16740, 1111443), (16983, 1095540), (17205, 1081404), (17298, 1075590), (17442, 1066710), (17670, 1052946), (18259, 1018980), (18870, 985986), (18972, 980685), (18981, 980220), (19220, 968031), (19380, 960039), (19499, 954180), (19980, 931209), (20026, 929070), (20646, 901170), (21090, 882198), (21204, 877455), (21793, 853740), (22644, 821655), (22940, 811053), (23715, 784548), (23902, 778410), (25110, 740962), (25308, 735165), (25947, 717060), (26163, 711140), (26505, 701964), (27540, 675583), (28305, 657324), (28458, 653790), (28830, 645354), (29070, 640026), (29970, 620806), (30039, 619380), (30780, 604469), (30969, 600780), (31620, 588411), (31635, 588132), (31806, 584970), (32674, 569430), (33966, 547770), (34410, 540702), (34596, 537795), (34884, 533355), (35340, 526473), (35557, 523260), (35853, 518940), (36518, 509490), (37740, 492993), (37962, 490110), (38998, 477090), (40052, 464535), (41292, 450585), (42180, 441099), (42687, 435860), (43245, 430236), (43586, 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174420), (107559, 172980), (108965, 170748), (109554, 169830), (113220, 164331), (113886, 163370), (116994, 159030), (119510, 155682), (120156, 154845), (123876, 150195), (126540, 147033), (129735, 143412), (130758, 142290), (130815, 142228)]