1278400320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 560

約数和(自身を含む): 4933175808

約数和(自身を除く): 3654775488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 37, 40, 43, 45, 48, 54, 60, 62, 64, 72, 74, 80, 81, 86, 90, 93, 96, 108, 111, 120, 124, 129, 135, 144, 148, 155, 160, 162, 172, 180, 185, 186, 192, 215, 216, 222, 240, 248, 258, 270, 279, 288, 296, 310, 320, 324, 333, 344, 360, 370, 372, 387, 405, 430, 432, 444, 465, 480, 496, 516, 540, 555, 558, 576, 592, 620, 645, 648, 666, 688, 720, 740, 744, 774, 810, 837, 860, 864, 888, 930, 960, 992, 999, 1032, 1080, 1110, 1116, 1147, 1161, 1184, 1240, 1290, 1296, 1332, 1333, 1376, 1395, 1440, 1480, 1488, 1548, 1591, 1620, 1665, 1674, 1720, 1728, 1776, 1860, 1935, 1984, 1998, 2064, 2160, 2220, 2232, 2294, 2322, 2368, 2480, 2511, 2580, 2592, 2664, 2666, 2752, 2790, 2880, 2960, 2976, 2997, 3096, 3182, 3240, 3330, 3348, 3440, 3441, 3483, 3552, 3720, 3870, 3996, 3999, 4128, 4185, 4320, 4440, 4464, 4588, 4644, 4773, 4960, 4995, 5022, 5160, 5184, 5328, 5332, 5580, 5735, 5805, 5920, 5952, 5994, 6192, 6364, 6480, 6660, 6665, 6696, 6880, 6882, 6966, 7104, 7440, 7740, 7955, 7992, 7998, 8256, 8370, 8640, 8880, 8928, 9176, 9288, 9546, 9920, 9990, 10044, 10320, 10323, 10656, 10664, 11160, 11470, 11610, 11840, 11988, 11997, 12384, 12555, 12728, 12960, 13320, 13330, 13392, 13760, 13764, 13932, 14319, 14880, 14985, 15480, 15910, 15984, 15996, 16740, 17205, 17415, 17760, 17856, 18352, 18576, 19092, 19980, 19995, 20088, 20640, 20646, 21312, 21328, 22320, 22940, 23220, 23865, 23976, 23994, 24768, 25110, 25456, 25920, 26640, 26660, 26784, 27528, 27864, 28638, 29760, 29970, 30960, 30969, 31820, 31968, 31992, 33480, 34410, 34830, 35520, 35991, 36704, 37152, 38184, 39960, 39990, 40176, 41280, 41292, 42656, 42957, 44640, 45880, 46440, 47730, 47952, 47988, 49321, 50220, 50912, 51615, 53280, 53320, 53568, 55056, 55728, 57276, 59940, 59985, 61920, 61938, 63640, 63936, 63984, 66960, 68820, 69660, 71595, 71982, 73408, 74304, 76368, 79920, 79980, 80352, 82584, 85312, 85914, 89280, 91760, 92880, 92907, 95460, 95904, 95976, 98642, 100440, 101824, 103230, 106560, 106640, 107973, 110112, 111456, 114552, 119880, 119970, 123840, 123876, 127280, 127968, 128871, 133920, 137640, 139320, 143190, 143964, 147963, 152736, 154845, 159840, 159960, 160704, 165168, 171828, 179955, 183520, 185760, 185814, 190920, 191808, 191952, 197284, 200880, 206460, 213280, 214785, 215946, 220224, 222912, 229104, 239760, 239940, 246605, 247752, 254560, 255936, 257742, 267840, 275280, 278640, 286380, 287928, 295926, 305472, 309690, 319680, 319920, 330336, 343656, 359910, 367040, 371520, 371628, 381840, 383904, 394568, 401760, 412920, 426560, 429570, 431892, 443889, 458208, 464535, 479520, 479880, 493210, 495504, 509120, 515484, 539865, 550560, 557280, 572760, 575856, 591852, 619380, 639840, 644355, 660672, 687312, 719820, 739815, 743256, 763680, 767808, 789136, 803520, 825840, 859140, 863784, 887778, 916416, 929070, 959040, 959760, 986420, 991008, 1030968, 1079730, 1101120, 1114560, 1145520, 1151712, 1183704, 1238760, 1279680, 1288710, 1331667, 1374624, 1439640, 1479630, 1486512, 1527360, 1578272, 1651680, 1718280, 1727568, 1775556, 1858140, 1919520, 1972840, 1982016, 2061936, 2159460, 2219445, 2291040, 2303424, 2367408, 2477520, 2577420, 2663334, 2749248, 2879280, 2959260, 2973024, 3156544, 3303360, 3436560, 3455136, 3551112, 3716280, 3839040, 3945680, 3995001, 4123872, 4318920, 4438890, 4582080, 4734816, 4955040, 5154840, 5326668, 5758560, 5918520, 5946048, 6658335, 6873120, 6910272, 7102224, 7432560, 7891360, 7990002, 8247744, 8637840, 8877780, 9469632, 9910080, 10309680, 10653336, 11517120, 11837040, 13316670, 13746240, 14204448, 14865120, 15782720, 15980004, 17275680, 17755560, 19975005, 20619360, 21306672, 23674080, 26633340, 28408896, 29730240, 31960008, 34551360, 35511120, 39950010, 41238720, 42613344, 47348160, 53266680, 63920016, 71022240, 79900020, 85226688, 106533360, 127840032, 142044480, 159800040, 213066720, 255680064, 319600080, 426133440, 639200160, 1278400320]

約数ペア:

[(1, 1278400320), (2, 639200160), (3, 426133440), (4, 319600080), (5, 255680064), (6, 213066720), (8, 159800040), (9, 142044480), (10, 127840032), (12, 106533360), (15, 85226688), (16, 79900020), (18, 71022240), (20, 63920016), (24, 53266680), (27, 47348160), (30, 42613344), (31, 41238720), (32, 39950010), (36, 35511120), (37, 34551360), (40, 31960008), (43, 29730240), (45, 28408896), (48, 26633340), (54, 23674080), (60, 21306672), (62, 20619360), (64, 19975005), (72, 17755560), (74, 17275680), (80, 15980004), (81, 15782720), (86, 14865120), (90, 14204448), (93, 13746240), (96, 13316670), (108, 11837040), (111, 11517120), (120, 10653336), (124, 10309680), (129, 9910080), (135, 9469632), (144, 8877780), (148, 8637840), (155, 8247744), (160, 7990002), (162, 7891360), (172, 7432560), (180, 7102224), (185, 6910272), (186, 6873120), (192, 6658335), (215, 5946048), (216, 5918520), (222, 5758560), (240, 5326668), (248, 5154840), (258, 4955040), (270, 4734816), (279, 4582080), (288, 4438890), (296, 4318920), (310, 4123872), (320, 3995001), (324, 3945680), (333, 3839040), (344, 3716280), (360, 3551112), (370, 3455136), (372, 3436560), (387, 3303360), (405, 3156544), (430, 2973024), (432, 2959260), (444, 2879280), (465, 2749248), (480, 2663334), (496, 2577420), (516, 2477520), (540, 2367408), (555, 2303424), (558, 2291040), (576, 2219445), (592, 2159460), (620, 2061936), (645, 1982016), (648, 1972840), (666, 1919520), (688, 1858140), (720, 1775556), (740, 1727568), (744, 1718280), (774, 1651680), (810, 1578272), (837, 1527360), (860, 1486512), (864, 1479630), (888, 1439640), (930, 1374624), (960, 1331667), (992, 1288710), (999, 1279680), (1032, 1238760), (1080, 1183704), (1110, 1151712), (1116, 1145520), (1147, 1114560), (1161, 1101120), (1184, 1079730), (1240, 1030968), (1290, 991008), (1296, 986420), (1332, 959760), (1333, 959040), (1376, 929070), (1395, 916416), (1440, 887778), (1480, 863784), (1488, 859140), (1548, 825840), (1591, 803520), (1620, 789136), (1665, 767808), (1674, 763680), (1720, 743256), (1728, 739815), (1776, 719820), (1860, 687312), (1935, 660672), (1984, 644355), (1998, 639840), (2064, 619380), (2160, 591852), (2220, 575856), (2232, 572760), (2294, 557280), (2322, 550560), (2368, 539865), (2480, 515484), (2511, 509120), (2580, 495504), (2592, 493210), (2664, 479880), (2666, 479520), (2752, 464535), (2790, 458208), (2880, 443889), (2960, 431892), (2976, 429570), (2997, 426560), (3096, 412920), (3182, 401760), (3240, 394568), (3330, 383904), (3348, 381840), (3440, 371628), (3441, 371520), (3483, 367040), (3552, 359910), (3720, 343656), (3870, 330336), (3996, 319920), (3999, 319680), (4128, 309690), (4185, 305472), (4320, 295926), (4440, 287928), (4464, 286380), (4588, 278640), (4644, 275280), (4773, 267840), (4960, 257742), (4995, 255936), (5022, 254560), (5160, 247752), (5184, 246605), (5328, 239940), (5332, 239760), (5580, 229104), (5735, 222912), (5805, 220224), (5920, 215946), (5952, 214785), (5994, 213280), (6192, 206460), (6364, 200880), (6480, 197284), (6660, 191952), (6665, 191808), (6696, 190920), (6880, 185814), (6882, 185760), (6966, 183520), (7104, 179955), (7440, 171828), (7740, 165168), (7955, 160704), (7992, 159960), (7998, 159840), (8256, 154845), (8370, 152736), (8640, 147963), (8880, 143964), (8928, 143190), (9176, 139320), (9288, 137640), (9546, 133920), (9920, 128871), (9990, 127968), (10044, 127280), (10320, 123876), (10323, 123840), (10656, 119970), (10664, 119880), (11160, 114552), (11470, 111456), (11610, 110112), (11840, 107973), (11988, 106640), (11997, 106560), (12384, 103230), (12555, 101824), (12728, 100440), (12960, 98642), (13320, 95976), (13330, 95904), (13392, 95460), (13760, 92907), (13764, 92880), (13932, 91760), (14319, 89280), (14880, 85914), (14985, 85312), (15480, 82584), (15910, 80352), (15984, 79980), (15996, 79920), (16740, 76368), (17205, 74304), (17415, 73408), (17760, 71982), (17856, 71595), (18352, 69660), (18576, 68820), (19092, 66960), (19980, 63984), (19995, 63936), (20088, 63640), (20640, 61938), (20646, 61920), (21312, 59985), (21328, 59940), (22320, 57276), (22940, 55728), (23220, 55056), (23865, 53568), (23976, 53320), (23994, 53280), (24768, 51615), (25110, 50912), (25456, 50220), (25920, 49321), (26640, 47988), (26660, 47952), (26784, 47730), (27528, 46440), (27864, 45880), (28638, 44640), (29760, 42957), (29970, 42656), (30960, 41292), (30969, 41280), (31820, 40176), (31968, 39990), (31992, 39960), (33480, 38184), (34410, 37152), (34830, 36704), (35520, 35991)]