64428840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 192

約数和(自身を含む): 246130560

約数和(自身を除く): 181701720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 691, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1382, 1480, 1554, 1665, 2072, 2073, 2220, 2331, 2520, 2590, 2664, 2764, 3108, 3330, 3455, 3885, 4146, 4440, 4662, 4837, 5180, 5528, 6216, 6219, 6660, 6910, 7770, 8292, 9324, 9674, 10360, 10365, 11655, 12438, 13320, 13820, 14511, 15540, 16584, 18648, 19348, 20730, 23310, 24185, 24876, 25567, 27640, 29022, 31080, 31095, 38696, 41460, 43533, 46620, 48370, 49752, 51134, 58044, 62190, 72555, 76701, 82920, 87066, 93240, 96740, 102268, 116088, 124380, 127835, 145110, 153402, 174132, 178969, 193480, 204536, 217665, 230103, 248760, 255670, 290220, 306804, 348264, 357938, 383505, 435330, 460206, 511340, 536907, 580440, 613608, 715876, 767010, 870660, 894845, 920412, 1022680, 1073814, 1150515, 1431752, 1534020, 1610721, 1741320, 1789690, 1840824, 2147628, 2301030, 2684535, 3068040, 3221442, 3579380, 4295256, 4602060, 5369070, 6442884, 7158760, 8053605, 9204120, 10738140, 12885768, 16107210, 21476280, 32214420, 64428840]

約数ペア:

[(1, 64428840), (2, 32214420), (3, 21476280), (4, 16107210), (5, 12885768), (6, 10738140), (7, 9204120), (8, 8053605), (9, 7158760), (10, 6442884), (12, 5369070), (14, 4602060), (15, 4295256), (18, 3579380), (20, 3221442), (21, 3068040), (24, 2684535), (28, 2301030), (30, 2147628), (35, 1840824), (36, 1789690), (37, 1741320), (40, 1610721), (42, 1534020), (45, 1431752), (56, 1150515), (60, 1073814), (63, 1022680), (70, 920412), (72, 894845), (74, 870660), (84, 767010), (90, 715876), (105, 613608), (111, 580440), (120, 536907), (126, 511340), (140, 460206), (148, 435330), (168, 383505), (180, 357938), (185, 348264), (210, 306804), (222, 290220), (252, 255670), (259, 248760), (280, 230103), (296, 217665), (315, 204536), (333, 193480), (360, 178969), (370, 174132), (420, 153402), (444, 145110), (504, 127835), (518, 124380), (555, 116088), (630, 102268), (666, 96740), (691, 93240), (740, 87066), (777, 82920), (840, 76701), (888, 72555), (1036, 62190), (1110, 58044), (1260, 51134), (1295, 49752), (1332, 48370), (1382, 46620), (1480, 43533), (1554, 41460), (1665, 38696), (2072, 31095), (2073, 31080), (2220, 29022), (2331, 27640), (2520, 25567), (2590, 24876), (2664, 24185), (2764, 23310), (3108, 20730), (3330, 19348), (3455, 18648), (3885, 16584), (4146, 15540), (4440, 14511), (4662, 13820), (4837, 13320), (5180, 12438), (5528, 11655), (6216, 10365), (6219, 10360), (6660, 9674), (6910, 9324), (7770, 8292)]