387940560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 1429658496

約数和(自身を除く): 1041717936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 79, 80, 84, 105, 111, 112, 120, 140, 148, 158, 168, 185, 210, 222, 237, 240, 259, 280, 296, 316, 336, 370, 395, 420, 444, 474, 518, 553, 555, 560, 592, 632, 740, 777, 790, 840, 888, 948, 1036, 1106, 1110, 1185, 1264, 1295, 1480, 1554, 1580, 1659, 1680, 1776, 1896, 2072, 2212, 2220, 2370, 2590, 2765, 2923, 2960, 3108, 3160, 3318, 3792, 3885, 4144, 4424, 4440, 4740, 5180, 5530, 5846, 6216, 6241, 6320, 6636, 7770, 8295, 8769, 8848, 8880, 9480, 10360, 11060, 11692, 12432, 12482, 13272, 14615, 15540, 16590, 17538, 18723, 18960, 20461, 20720, 22120, 23384, 24964, 26544, 29230, 31080, 31205, 33180, 35076, 37446, 40922, 43687, 43845, 44240, 46768, 49928, 58460, 61383, 62160, 62410, 66360, 70152, 74892, 81844, 87374, 87690, 93615, 99856, 102305, 116920, 122766, 124820, 131061, 132720, 140304, 149784, 163688, 174748, 175380, 187230, 204610, 218435, 230917, 233840, 245532, 249640, 262122, 299568, 306915, 327376, 349496, 350760, 374460, 409220, 436870, 461834, 491064, 499280, 524244, 613830, 655305, 692751, 698992, 701520, 748920, 818440, 873740, 923668, 982128, 1048488, 1154585, 1227660, 1310610, 1385502, 1497840, 1616419, 1636880, 1747480, 1847336, 2096976, 2309170, 2455320, 2621220, 2771004, 3232838, 3463755, 3494960, 3694672, 4618340, 4849257, 4910640, 5242440, 5542008, 6465676, 6927510, 8082095, 9236680, 9698514, 10484880, 11084016, 12931352, 13855020, 16164190, 18473360, 19397028, 24246285, 25862704, 27710040, 32328380, 38794056, 48492570, 55420080, 64656760, 77588112, 96985140, 129313520, 193970280, 387940560]

約数ペア:

[(1, 387940560), (2, 193970280), (3, 129313520), (4, 96985140), (5, 77588112), (6, 64656760), (7, 55420080), (8, 48492570), (10, 38794056), (12, 32328380), (14, 27710040), (15, 25862704), (16, 24246285), (20, 19397028), (21, 18473360), (24, 16164190), (28, 13855020), (30, 12931352), (35, 11084016), (37, 10484880), (40, 9698514), (42, 9236680), (48, 8082095), (56, 6927510), (60, 6465676), (70, 5542008), (74, 5242440), (79, 4910640), (80, 4849257), (84, 4618340), (105, 3694672), (111, 3494960), (112, 3463755), (120, 3232838), (140, 2771004), (148, 2621220), (158, 2455320), (168, 2309170), (185, 2096976), (210, 1847336), (222, 1747480), (237, 1636880), (240, 1616419), (259, 1497840), (280, 1385502), (296, 1310610), (316, 1227660), (336, 1154585), (370, 1048488), (395, 982128), (420, 923668), (444, 873740), (474, 818440), (518, 748920), (553, 701520), (555, 698992), (560, 692751), (592, 655305), (632, 613830), (740, 524244), (777, 499280), (790, 491064), (840, 461834), (888, 436870), (948, 409220), (1036, 374460), (1106, 350760), (1110, 349496), (1185, 327376), (1264, 306915), (1295, 299568), (1480, 262122), (1554, 249640), (1580, 245532), (1659, 233840), (1680, 230917), (1776, 218435), (1896, 204610), (2072, 187230), (2212, 175380), (2220, 174748), (2370, 163688), (2590, 149784), (2765, 140304), (2923, 132720), (2960, 131061), (3108, 124820), (3160, 122766), (3318, 116920), (3792, 102305), (3885, 99856), (4144, 93615), (4424, 87690), (4440, 87374), (4740, 81844), (5180, 74892), (5530, 70152), (5846, 66360), (6216, 62410), (6241, 62160), (6320, 61383), (6636, 58460), (7770, 49928), (8295, 46768), (8769, 44240), (8848, 43845), (8880, 43687), (9480, 40922), (10360, 37446), (11060, 35076), (11692, 33180), (12432, 31205), (12482, 31080), (13272, 29230), (14615, 26544), (15540, 24964), (16590, 23384), (17538, 22120), (18723, 20720), (18960, 20461)]