64325620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 148538880

約数和(自身を除く): 84213260

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 359, 527, 578, 620, 718, 1054, 1156, 1436, 1445, 1795, 2108, 2635, 2890, 3590, 5270, 5780, 6103, 7180, 8959, 10540, 11129, 12206, 17918, 22258, 24412, 30515, 35836, 44516, 44795, 55645, 61030, 89590, 103751, 111290, 122060, 179180, 189193, 207502, 222580, 378386, 415004, 518755, 756772, 945965, 1037510, 1891930, 2075020, 3216281, 3783860, 6432562, 12865124, 16081405, 32162810, 64325620]

約数ペア:

[(1, 64325620), (2, 32162810), (4, 16081405), (5, 12865124), (10, 6432562), (17, 3783860), (20, 3216281), (31, 2075020), (34, 1891930), (62, 1037510), (68, 945965), (85, 756772), (124, 518755), (155, 415004), (170, 378386), (289, 222580), (310, 207502), (340, 189193), (359, 179180), (527, 122060), (578, 111290), (620, 103751), (718, 89590), (1054, 61030), (1156, 55645), (1436, 44795), (1445, 44516), (1795, 35836), (2108, 30515), (2635, 24412), (2890, 22258), (3590, 17918), (5270, 12206), (5780, 11129), (6103, 10540), (7180, 8959)]