64906085120

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1179253}}^1$

素因数の和:1179317

約数の個数: 72

約数和(自身を含む): 159086081616

約数和(自身を除く): 94179996496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 6880, 11008, 13760, 27520, 55040, 1179253, 2358506, 4717012, 5896265, 9434024, 11792530, 18868048, 23585060, 37736096, 47170120, 50707879, 75472192, 94340240, 101415758, 150944384, 188680480, 202831516, 253539395, 301888768, 377360960, 405663032, 507078790, 754721920, 811326064, 1014157580, 1509443840, 1622652128, 2028315160, 3245304256, 4056630320, 6490608512, 8113260640, 12981217024, 16226521280, 32453042560, 64906085120]

約数ペア:

[(1, 64906085120), (2, 32453042560), (4, 16226521280), (5, 12981217024), (8, 8113260640), (10, 6490608512), (16, 4056630320), (20, 3245304256), (32, 2028315160), (40, 1622652128), (43, 1509443840), (64, 1014157580), (80, 811326064), (86, 754721920), (128, 507078790), (160, 405663032), (172, 377360960), (215, 301888768), (256, 253539395), (320, 202831516), (344, 188680480), (430, 150944384), (640, 101415758), (688, 94340240), (860, 75472192), (1280, 50707879), (1376, 47170120), (1720, 37736096), (2752, 23585060), (3440, 18868048), (5504, 11792530), (6880, 9434024), (11008, 5896265), (13760, 4717012), (27520, 2358506), (55040, 1179253)]