1555710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4012

約数の個数: 32

約数和(自身を含む): 4021920

約数和(自身を除く): 2466210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3989, 7978, 11967, 19945, 23934, 39890, 51857, 59835, 103714, 119670, 155571, 259285, 311142, 518570, 777855, 1555710]

約数ペア:

[(1, 1555710), (2, 777855), (3, 518570), (5, 311142), (6, 259285), (10, 155571), (13, 119670), (15, 103714), (26, 59835), (30, 51857), (39, 39890), (65, 23934), (78, 19945), (130, 11967), (195, 7978), (390, 3989)]