64433560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 153900000

約数和(自身を除く): 89466440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 569, 596, 745, 760, 1138, 1192, 1490, 2276, 2831, 2845, 2980, 4552, 5662, 5690, 5960, 10811, 11324, 11380, 14155, 21622, 22648, 22760, 28310, 43244, 54055, 56620, 84781, 86488, 108110, 113240, 169562, 216220, 339124, 423905, 432440, 678248, 847810, 1610839, 1695620, 3221678, 3391240, 6443356, 8054195, 12886712, 16108390, 32216780, 64433560]

約数ペア:

[(1, 64433560), (2, 32216780), (4, 16108390), (5, 12886712), (8, 8054195), (10, 6443356), (19, 3391240), (20, 3221678), (38, 1695620), (40, 1610839), (76, 847810), (95, 678248), (149, 432440), (152, 423905), (190, 339124), (298, 216220), (380, 169562), (569, 113240), (596, 108110), (745, 86488), (760, 84781), (1138, 56620), (1192, 54055), (1490, 43244), (2276, 28310), (2831, 22760), (2845, 22648), (2980, 21622), (4552, 14155), (5662, 11380), (5690, 11324), (5960, 10811)]