64428500080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{141863}}^1$

素因数の和:142694

約数の個数: 80

約数和(自身を含む): 171408029184

約数和(自身を除く): 106979529104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 811, 1622, 3244, 4055, 5677, 6488, 8110, 11354, 12976, 16220, 22708, 28385, 32440, 45416, 56770, 64880, 90832, 113540, 141863, 227080, 283726, 454160, 567452, 709315, 993041, 1134904, 1418630, 1986082, 2269808, 2837260, 3972164, 4965205, 5674520, 7944328, 9930410, 11349040, 15888656, 19860820, 39721640, 79443280, 115050893, 230101786, 460203572, 575254465, 805356251, 920407144, 1150508930, 1610712502, 1840814288, 2301017860, 3221425004, 4026781255, 4602035720, 6442850008, 8053562510, 9204071440, 12885700016, 16107125020, 32214250040, 64428500080]

約数ペア:

[(1, 64428500080), (2, 32214250040), (4, 16107125020), (5, 12885700016), (7, 9204071440), (8, 8053562510), (10, 6442850008), (14, 4602035720), (16, 4026781255), (20, 3221425004), (28, 2301017860), (35, 1840814288), (40, 1610712502), (56, 1150508930), (70, 920407144), (80, 805356251), (112, 575254465), (140, 460203572), (280, 230101786), (560, 115050893), (811, 79443280), (1622, 39721640), (3244, 19860820), (4055, 15888656), (5677, 11349040), (6488, 9930410), (8110, 7944328), (11354, 5674520), (12976, 4965205), (16220, 3972164), (22708, 2837260), (28385, 2269808), (32440, 1986082), (45416, 1418630), (56770, 1134904), (64880, 993041), (90832, 709315), (113540, 567452), (141863, 454160), (227080, 283726)]