20618107440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2657}}^1$

素因数の和:2860

約数の個数: 320

約数和(自身を含む): 75937996800

約数和(自身を除く): 55319889360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 149, 155, 168, 186, 210, 217, 240, 248, 280, 298, 310, 336, 372, 420, 434, 447, 465, 496, 560, 596, 620, 651, 744, 745, 840, 868, 894, 930, 1043, 1085, 1192, 1240, 1302, 1488, 1490, 1680, 1736, 1788, 1860, 2086, 2170, 2235, 2384, 2480, 2604, 2657, 2980, 3129, 3255, 3472, 3576, 3720, 4172, 4340, 4470, 4619, 5208, 5215, 5314, 5960, 6258, 6510, 7152, 7440, 7971, 8344, 8680, 8940, 9238, 10416, 10430, 10628, 11920, 12516, 13020, 13285, 13857, 15645, 15942, 16688, 17360, 17880, 18476, 18599, 20860, 21256, 23095, 25032, 26040, 26570, 27714, 31290, 31884, 32333, 35760, 36952, 37198, 39855, 41720, 42512, 46190, 50064, 52080, 53140, 55428, 55797, 62580, 63768, 64666, 69285, 73904, 74396, 79710, 82367, 83440, 92380, 92995, 96999, 106280, 110856, 111594, 125160, 127536, 129332, 138570, 148792, 159420, 161665, 164734, 184760, 185990, 193998, 212560, 221712, 223188, 247101, 250320, 258664, 277140, 278985, 297584, 318840, 323330, 329468, 369520, 371980, 387996, 395893, 411835, 446376, 484995, 494202, 517328, 554280, 557970, 576569, 637680, 646660, 658936, 743960, 775992, 791786, 823670, 892752, 969990, 988404, 1108560, 1115940, 1153138, 1187679, 1235505, 1293320, 1317872, 1487920, 1551984, 1583572, 1647340, 1729707, 1939980, 1976808, 1979465, 2231880, 2306276, 2375358, 2471010, 2586640, 2771251, 2882845, 3167144, 3294680, 3459414, 3879960, 3953616, 3958930, 4463760, 4612552, 4750716, 4942020, 5542502, 5765690, 5938395, 6334288, 6589360, 6918828, 7759920, 7917860, 8313753, 8648535, 9225104, 9501432, 9884040, 11085004, 11531380, 11876790, 12272683, 13837656, 13856255, 15835720, 16627506, 17297070, 19002864, 19768080, 22170008, 23062760, 23753580, 24545366, 27675312, 27712510, 31671440, 33255012, 34594140, 36818049, 41568765, 44340016, 46125520, 47507160, 49090732, 55425020, 61363415, 66510024, 69188280, 73636098, 83137530, 85908781, 95014320, 98181464, 110850040, 122726830, 133020048, 138376560, 147272196, 166275060, 171817562, 184090245, 196362928, 221700080, 245453660, 257726343, 294544392, 332550120, 343635124, 368180490, 429543905, 490907320, 515452686, 589088784, 665100240, 687270248, 736360980, 859087810, 981814640, 1030905372, 1288631715, 1374540496, 1472721960, 1718175620, 2061810744, 2577263430, 2945443920, 3436351240, 4123621488, 5154526860, 6872702480, 10309053720, 20618107440]

約数ペア:

[(1, 20618107440), (2, 10309053720), (3, 6872702480), (4, 5154526860), (5, 4123621488), (6, 3436351240), (7, 2945443920), (8, 2577263430), (10, 2061810744), (12, 1718175620), (14, 1472721960), (15, 1374540496), (16, 1288631715), (20, 1030905372), (21, 981814640), (24, 859087810), (28, 736360980), (30, 687270248), (31, 665100240), (35, 589088784), (40, 515452686), (42, 490907320), (48, 429543905), (56, 368180490), (60, 343635124), (62, 332550120), (70, 294544392), (80, 257726343), (84, 245453660), (93, 221700080), (105, 196362928), (112, 184090245), (120, 171817562), (124, 166275060), (140, 147272196), (149, 138376560), (155, 133020048), (168, 122726830), (186, 110850040), (210, 98181464), (217, 95014320), (240, 85908781), (248, 83137530), (280, 73636098), (298, 69188280), (310, 66510024), (336, 61363415), (372, 55425020), (420, 49090732), (434, 47507160), (447, 46125520), (465, 44340016), (496, 41568765), (560, 36818049), (596, 34594140), (620, 33255012), (651, 31671440), (744, 27712510), (745, 27675312), (840, 24545366), (868, 23753580), (894, 23062760), (930, 22170008), (1043, 19768080), (1085, 19002864), (1192, 17297070), (1240, 16627506), (1302, 15835720), (1488, 13856255), (1490, 13837656), (1680, 12272683), (1736, 11876790), (1788, 11531380), (1860, 11085004), (2086, 9884040), (2170, 9501432), (2235, 9225104), (2384, 8648535), (2480, 8313753), (2604, 7917860), (2657, 7759920), (2980, 6918828), (3129, 6589360), (3255, 6334288), (3472, 5938395), (3576, 5765690), (3720, 5542502), (4172, 4942020), (4340, 4750716), (4470, 4612552), (4619, 4463760), (5208, 3958930), (5215, 3953616), (5314, 3879960), (5960, 3459414), (6258, 3294680), (6510, 3167144), (7152, 2882845), (7440, 2771251), (7971, 2586640), (8344, 2471010), (8680, 2375358), (8940, 2306276), (9238, 2231880), (10416, 1979465), (10430, 1976808), (10628, 1939980), (11920, 1729707), (12516, 1647340), (13020, 1583572), (13285, 1551984), (13857, 1487920), (15645, 1317872), (15942, 1293320), (16688, 1235505), (17360, 1187679), (17880, 1153138), (18476, 1115940), (18599, 1108560), (20860, 988404), (21256, 969990), (23095, 892752), (25032, 823670), (26040, 791786), (26570, 775992), (27714, 743960), (31290, 658936), (31884, 646660), (32333, 637680), (35760, 576569), (36952, 557970), (37198, 554280), (39855, 517328), (41720, 494202), (42512, 484995), (46190, 446376), (50064, 411835), (52080, 395893), (53140, 387996), (55428, 371980), (55797, 369520), (62580, 329468), (63768, 323330), (64666, 318840), (69285, 297584), (73904, 278985), (74396, 277140), (79710, 258664), (82367, 250320), (83440, 247101), (92380, 223188), (92995, 221712), (96999, 212560), (106280, 193998), (110856, 185990), (111594, 184760), (125160, 164734), (127536, 161665), (129332, 159420), (138570, 148792)]