645950760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 256

約数和(自身を含む): 2407104000

約数和(自身を除く): 1761153240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 149, 156, 168, 182, 195, 210, 260, 273, 280, 298, 312, 364, 390, 397, 420, 447, 455, 520, 546, 596, 728, 745, 780, 794, 840, 894, 910, 1043, 1092, 1191, 1192, 1365, 1490, 1560, 1588, 1788, 1820, 1937, 1985, 2086, 2184, 2235, 2382, 2730, 2779, 2980, 3129, 3176, 3576, 3640, 3874, 3970, 4172, 4470, 4764, 5161, 5215, 5460, 5558, 5811, 5955, 5960, 6258, 7748, 7940, 8337, 8344, 8940, 9528, 9685, 10322, 10430, 10920, 11116, 11622, 11910, 12516, 13559, 13895, 15483, 15496, 15645, 15880, 16674, 17880, 19370, 20644, 20860, 22232, 23244, 23820, 25032, 25805, 27118, 27790, 29055, 30966, 31290, 33348, 36127, 38740, 40677, 41288, 41685, 41720, 46488, 47640, 51610, 54236, 55580, 58110, 59153, 61932, 62580, 66696, 67795, 72254, 77415, 77480, 81354, 83370, 103220, 108381, 108472, 111160, 116220, 118306, 123864, 125160, 135590, 144508, 154830, 162708, 166740, 177459, 180635, 203385, 206440, 216762, 232440, 236612, 271180, 289016, 295765, 309660, 325416, 333480, 354918, 361270, 406770, 414071, 433524, 473224, 541905, 542360, 591530, 619320, 709836, 722540, 768989, 813540, 828142, 867048, 887295, 1083810, 1183060, 1242213, 1419672, 1445080, 1537978, 1627080, 1656284, 1774590, 2070355, 2167620, 2306967, 2366120, 2484426, 3075956, 3312568, 3549180, 3844945, 4140710, 4335240, 4613934, 4968852, 5382923, 6151912, 6211065, 7098360, 7689890, 8281420, 9227868, 9937704, 10765846, 11534835, 12422130, 15379780, 16148769, 16562840, 18455736, 21531692, 23069670, 24844260, 26914615, 30759560, 32297538, 43063384, 46139340, 49688520, 53829230, 64595076, 80743845, 92278680, 107658460, 129190152, 161487690, 215316920, 322975380, 645950760]

約数ペア:

[(1, 645950760), (2, 322975380), (3, 215316920), (4, 161487690), (5, 129190152), (6, 107658460), (7, 92278680), (8, 80743845), (10, 64595076), (12, 53829230), (13, 49688520), (14, 46139340), (15, 43063384), (20, 32297538), (21, 30759560), (24, 26914615), (26, 24844260), (28, 23069670), (30, 21531692), (35, 18455736), (39, 16562840), (40, 16148769), (42, 15379780), (52, 12422130), (56, 11534835), (60, 10765846), (65, 9937704), (70, 9227868), (78, 8281420), (84, 7689890), (91, 7098360), (104, 6211065), (105, 6151912), (120, 5382923), (130, 4968852), (140, 4613934), (149, 4335240), (156, 4140710), (168, 3844945), (182, 3549180), (195, 3312568), (210, 3075956), (260, 2484426), (273, 2366120), (280, 2306967), (298, 2167620), (312, 2070355), (364, 1774590), (390, 1656284), (397, 1627080), (420, 1537978), (447, 1445080), (455, 1419672), (520, 1242213), (546, 1183060), (596, 1083810), (728, 887295), (745, 867048), (780, 828142), (794, 813540), (840, 768989), (894, 722540), (910, 709836), (1043, 619320), (1092, 591530), (1191, 542360), (1192, 541905), (1365, 473224), (1490, 433524), (1560, 414071), (1588, 406770), (1788, 361270), (1820, 354918), (1937, 333480), (1985, 325416), (2086, 309660), (2184, 295765), (2235, 289016), (2382, 271180), (2730, 236612), (2779, 232440), (2980, 216762), (3129, 206440), (3176, 203385), (3576, 180635), (3640, 177459), (3874, 166740), (3970, 162708), (4172, 154830), (4470, 144508), (4764, 135590), (5161, 125160), (5215, 123864), (5460, 118306), (5558, 116220), (5811, 111160), (5955, 108472), (5960, 108381), (6258, 103220), (7748, 83370), (7940, 81354), (8337, 77480), (8344, 77415), (8940, 72254), (9528, 67795), (9685, 66696), (10322, 62580), (10430, 61932), (10920, 59153), (11116, 58110), (11622, 55580), (11910, 54236), (12516, 51610), (13559, 47640), (13895, 46488), (15483, 41720), (15496, 41685), (15645, 41288), (15880, 40677), (16674, 38740), (17880, 36127), (19370, 33348), (20644, 31290), (20860, 30966), (22232, 29055), (23244, 27790), (23820, 27118), (25032, 25805)]