130620560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233251}}^1$

素因数の和:233271

約数の個数: 40

約数和(自身を含む): 347078976

約数和(自身を除く): 216458416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 233251, 466502, 933004, 1166255, 1632757, 1866008, 2332510, 3265514, 3732016, 4665020, 6531028, 8163785, 9330040, 13062056, 16327570, 18660080, 26124112, 32655140, 65310280, 130620560]

約数ペア:

[(1, 130620560), (2, 65310280), (4, 32655140), (5, 26124112), (7, 18660080), (8, 16327570), (10, 13062056), (14, 9330040), (16, 8163785), (20, 6531028), (28, 4665020), (35, 3732016), (40, 3265514), (56, 2332510), (70, 1866008), (80, 1632757), (112, 1166255), (140, 933004), (280, 466502), (560, 233251)]