21720975120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:584

約数の個数: 480

約数和(自身を含む): 81745660800

約数和(自身を除く): 60024685680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 157, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 314, 338, 351, 360, 379, 390, 432, 468, 471, 507, 520, 540, 585, 624, 628, 676, 702, 720, 758, 780, 785, 845, 936, 942, 1014, 1040, 1080, 1137, 1170, 1256, 1352, 1404, 1413, 1516, 1521, 1560, 1570, 1690, 1755, 1872, 1884, 1895, 2028, 2041, 2160, 2274, 2340, 2355, 2512, 2535, 2704, 2808, 2826, 3032, 3042, 3120, 3140, 3380, 3411, 3510, 3768, 3790, 4056, 4082, 4239, 4548, 4563, 4680, 4710, 4927, 5070, 5616, 5652, 5685, 6064, 6084, 6123, 6280, 6760, 6822, 7020, 7065, 7536, 7580, 7605, 8112, 8164, 8478, 9096, 9126, 9360, 9420, 9854, 10140, 10205, 10233, 11304, 11370, 12168, 12246, 12560, 13520, 13644, 14040, 14130, 14781, 15160, 15210, 16328, 16956, 17055, 18192, 18252, 18369, 18840, 19708, 20280, 20410, 20466, 21195, 22608, 22740, 22815, 24336, 24492, 24635, 26533, 27288, 28080, 28260, 29562, 30320, 30420, 30615, 32656, 33912, 34110, 36504, 36738, 37680, 39416, 40560, 40820, 40932, 42390, 44343, 45480, 45630, 48984, 49270, 51165, 53066, 54576, 55107, 56520, 59124, 59503, 60840, 61230, 64051, 67824, 68220, 73008, 73476, 73905, 78832, 79599, 81640, 81864, 84780, 88686, 90960, 91260, 91845, 97968, 98540, 102330, 106132, 110214, 113040, 118248, 119006, 121680, 122460, 128102, 132665, 133029, 136440, 146952, 147810, 159198, 163280, 163728, 169560, 177372, 178509, 182520, 183690, 192153, 197080, 204660, 212264, 220428, 221715, 236496, 238012, 238797, 244920, 256204, 265330, 266058, 272880, 275535, 293904, 295620, 297515, 318396, 320255, 339120, 354744, 357018, 365040, 367380, 384306, 394160, 397995, 409320, 424528, 440856, 443430, 476024, 477594, 489840, 512408, 530660, 532116, 535527, 551070, 576459, 591240, 595030, 636792, 640510, 665145, 709488, 714036, 716391, 734760, 768612, 773539, 795990, 818640, 881712, 886860, 892545, 952048, 955188, 960765, 1024816, 1061320, 1064232, 1071054, 1102140, 1152918, 1182480, 1190060, 1193985, 1273584, 1281020, 1330290, 1428072, 1432782, 1469520, 1537224, 1547078, 1591980, 1606581, 1729377, 1773720, 1785090, 1910376, 1921530, 2122640, 2128464, 2142108, 2204280, 2305836, 2320617, 2380120, 2387970, 2562040, 2660580, 2677635, 2856144, 2865564, 2882295, 3074448, 3094156, 3183960, 3213162, 3458754, 3547440, 3570180, 3581955, 3820752, 3843060, 3867695, 4284216, 4408560, 4611672, 4641234, 4760240, 4775940, 5124080, 5321160, 5355270, 5731128, 5764590, 6188312, 6367920, 6426324, 6917508, 6961851, 7140360, 7163910, 7686120, 7735390, 8032905, 8568432, 8646885, 9223344, 9282468, 9551880, 10056007, 10642320, 10710540, 11462256, 11529180, 11603085, 12376624, 12852648, 13835016, 13923702, 14280720, 14327820, 15372240, 15470780, 16065810, 17293770, 18564936, 19103760, 20112014, 20885553, 21421080, 23058360, 23206170, 25705296, 27670032, 27847404, 28655640, 30168021, 30941560, 32131620, 34587540, 34809255, 37129872, 40224028, 41771106, 42842160, 46116720, 46412340, 50280035, 55694808, 57311280, 60336042, 61883120, 64263240, 69175080, 69618510, 80448056, 83542212, 90504063, 92824680, 100560070, 104427765, 111389616, 120672084, 128526480, 138350160, 139237020, 150840105, 160896112, 167084424, 181008126, 185649360, 201120140, 208855530, 241344168, 271512189, 278474040, 301680210, 334168848, 362016252, 402240280, 417711060, 452520315, 482688336, 543024378, 556948080, 603360420, 724032504, 804480560, 835422120, 905040630, 1086048756, 1206720840, 1357560945, 1448065008, 1670844240, 1810081260, 2172097512, 2413441680, 2715121890, 3620162520, 4344195024, 5430243780, 7240325040, 10860487560, 21720975120]

約数ペア:

[(1, 21720975120), (2, 10860487560), (3, 7240325040), (4, 5430243780), (5, 4344195024), (6, 3620162520), (8, 2715121890), (9, 2413441680), (10, 2172097512), (12, 1810081260), (13, 1670844240), (15, 1448065008), (16, 1357560945), (18, 1206720840), (20, 1086048756), (24, 905040630), (26, 835422120), (27, 804480560), (30, 724032504), (36, 603360420), (39, 556948080), (40, 543024378), (45, 482688336), (48, 452520315), (52, 417711060), (54, 402240280), (60, 362016252), (65, 334168848), (72, 301680210), (78, 278474040), (80, 271512189), (90, 241344168), (104, 208855530), (108, 201120140), (117, 185649360), (120, 181008126), (130, 167084424), (135, 160896112), (144, 150840105), (156, 139237020), (157, 138350160), (169, 128526480), (180, 120672084), (195, 111389616), (208, 104427765), (216, 100560070), (234, 92824680), (240, 90504063), (260, 83542212), (270, 80448056), (312, 69618510), (314, 69175080), (338, 64263240), (351, 61883120), (360, 60336042), (379, 57311280), (390, 55694808), (432, 50280035), (468, 46412340), (471, 46116720), (507, 42842160), (520, 41771106), (540, 40224028), (585, 37129872), (624, 34809255), (628, 34587540), (676, 32131620), (702, 30941560), (720, 30168021), (758, 28655640), (780, 27847404), (785, 27670032), (845, 25705296), (936, 23206170), (942, 23058360), (1014, 21421080), (1040, 20885553), (1080, 20112014), (1137, 19103760), (1170, 18564936), (1256, 17293770), (1352, 16065810), (1404, 15470780), (1413, 15372240), (1516, 14327820), (1521, 14280720), (1560, 13923702), (1570, 13835016), (1690, 12852648), (1755, 12376624), (1872, 11603085), (1884, 11529180), (1895, 11462256), (2028, 10710540), (2041, 10642320), (2160, 10056007), (2274, 9551880), (2340, 9282468), (2355, 9223344), (2512, 8646885), (2535, 8568432), (2704, 8032905), (2808, 7735390), (2826, 7686120), (3032, 7163910), (3042, 7140360), (3120, 6961851), (3140, 6917508), (3380, 6426324), (3411, 6367920), (3510, 6188312), (3768, 5764590), (3790, 5731128), (4056, 5355270), (4082, 5321160), (4239, 5124080), (4548, 4775940), (4563, 4760240), (4680, 4641234), (4710, 4611672), (4927, 4408560), (5070, 4284216), (5616, 3867695), (5652, 3843060), (5685, 3820752), (6064, 3581955), (6084, 3570180), (6123, 3547440), (6280, 3458754), (6760, 3213162), (6822, 3183960), (7020, 3094156), (7065, 3074448), (7536, 2882295), (7580, 2865564), (7605, 2856144), (8112, 2677635), (8164, 2660580), (8478, 2562040), (9096, 2387970), (9126, 2380120), (9360, 2320617), (9420, 2305836), (9854, 2204280), (10140, 2142108), (10205, 2128464), (10233, 2122640), (11304, 1921530), (11370, 1910376), (12168, 1785090), (12246, 1773720), (12560, 1729377), (13520, 1606581), (13644, 1591980), (14040, 1547078), (14130, 1537224), (14781, 1469520), (15160, 1432782), (15210, 1428072), (16328, 1330290), (16956, 1281020), (17055, 1273584), (18192, 1193985), (18252, 1190060), (18369, 1182480), (18840, 1152918), (19708, 1102140), (20280, 1071054), (20410, 1064232), (20466, 1061320), (21195, 1024816), (22608, 960765), (22740, 955188), (22815, 952048), (24336, 892545), (24492, 886860), (24635, 881712), (26533, 818640), (27288, 795990), (28080, 773539), (28260, 768612), (29562, 734760), (30320, 716391), (30420, 714036), (30615, 709488), (32656, 665145), (33912, 640510), (34110, 636792), (36504, 595030), (36738, 591240), (37680, 576459), (39416, 551070), (40560, 535527), (40820, 532116), (40932, 530660), (42390, 512408), (44343, 489840), (45480, 477594), (45630, 476024), (48984, 443430), (49270, 440856), (51165, 424528), (53066, 409320), (54576, 397995), (55107, 394160), (56520, 384306), (59124, 367380), (59503, 365040), (60840, 357018), (61230, 354744), (64051, 339120), (67824, 320255), (68220, 318396), (73008, 297515), (73476, 295620), (73905, 293904), (78832, 275535), (79599, 272880), (81640, 266058), (81864, 265330), (84780, 256204), (88686, 244920), (90960, 238797), (91260, 238012), (91845, 236496), (97968, 221715), (98540, 220428), (102330, 212264), (106132, 204660), (110214, 197080), (113040, 192153), (118248, 183690), (119006, 182520), (121680, 178509), (122460, 177372), (128102, 169560), (132665, 163728), (133029, 163280), (136440, 159198), (146952, 147810)]