64704240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89867}}^1$

素因数の和:89886

約数の個数: 60

約数和(自身を含む): 217300824

約数和(自身を除く): 152596584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89867, 179734, 269601, 359468, 449335, 539202, 718936, 808803, 898670, 1078404, 1348005, 1437872, 1617606, 1797340, 2156808, 2696010, 3235212, 3594680, 4044015, 4313616, 5392020, 6470424, 7189360, 8088030, 10784040, 12940848, 16176060, 21568080, 32352120, 64704240]

約数ペア:

[(1, 64704240), (2, 32352120), (3, 21568080), (4, 16176060), (5, 12940848), (6, 10784040), (8, 8088030), (9, 7189360), (10, 6470424), (12, 5392020), (15, 4313616), (16, 4044015), (18, 3594680), (20, 3235212), (24, 2696010), (30, 2156808), (36, 1797340), (40, 1617606), (45, 1437872), (48, 1348005), (60, 1078404), (72, 898670), (80, 808803), (90, 718936), (120, 539202), (144, 449335), (180, 359468), (240, 269601), (360, 179734), (720, 89867)]