64606480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 157132800

約数和(自身を除く): 92526320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 239, 248, 310, 436, 478, 496, 545, 620, 872, 956, 1090, 1195, 1240, 1744, 1912, 2180, 2390, 2480, 3379, 3824, 4360, 4780, 6758, 7409, 8720, 9560, 13516, 14818, 16895, 19120, 26051, 27032, 29636, 33790, 37045, 52102, 54064, 59272, 67580, 74090, 104204, 118544, 130255, 135160, 148180, 208408, 260510, 270320, 296360, 416816, 521020, 592720, 807581, 1042040, 1615162, 2084080, 3230324, 4037905, 6460648, 8075810, 12921296, 16151620, 32303240, 64606480]

約数ペア:

[(1, 64606480), (2, 32303240), (4, 16151620), (5, 12921296), (8, 8075810), (10, 6460648), (16, 4037905), (20, 3230324), (31, 2084080), (40, 1615162), (62, 1042040), (80, 807581), (109, 592720), (124, 521020), (155, 416816), (218, 296360), (239, 270320), (248, 260510), (310, 208408), (436, 148180), (478, 135160), (496, 130255), (545, 118544), (620, 104204), (872, 74090), (956, 67580), (1090, 59272), (1195, 54064), (1240, 52102), (1744, 37045), (1912, 33790), (2180, 29636), (2390, 27032), (2480, 26051), (3379, 19120), (3824, 16895), (4360, 14818), (4780, 13516), (6758, 9560), (7409, 8720)]