257550240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{536563}}^1$

素因数の和:536581

約数の個数: 48

約数和(自身を含む): 811284768

約数和(自身を除く): 553734528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 536563, 1073126, 1609689, 2146252, 2682815, 3219378, 4292504, 5365630, 6438756, 8048445, 8585008, 10731260, 12877512, 16096890, 17170016, 21462520, 25755024, 32193780, 42925040, 51510048, 64387560, 85850080, 128775120, 257550240]

約数ペア:

[(1, 257550240), (2, 128775120), (3, 85850080), (4, 64387560), (5, 51510048), (6, 42925040), (8, 32193780), (10, 25755024), (12, 21462520), (15, 17170016), (16, 16096890), (20, 12877512), (24, 10731260), (30, 8585008), (32, 8048445), (40, 6438756), (48, 5365630), (60, 4292504), (80, 3219378), (96, 2682815), (120, 2146252), (160, 1609689), (240, 1073126), (480, 536563)]