90418160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161461}}^1$

素因数の和:161481

約数の個数: 40

約数和(自身を含む): 240255456

約数和(自身を除く): 149837296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161461, 322922, 645844, 807305, 1130227, 1291688, 1614610, 2260454, 2583376, 3229220, 4520908, 5651135, 6458440, 9041816, 11302270, 12916880, 18083632, 22604540, 45209080, 90418160]

約数ペア:

[(1, 90418160), (2, 45209080), (4, 22604540), (5, 18083632), (7, 12916880), (8, 11302270), (10, 9041816), (14, 6458440), (16, 5651135), (20, 4520908), (28, 3229220), (35, 2583376), (40, 2260454), (56, 1614610), (70, 1291688), (80, 1130227), (112, 807305), (140, 645844), (280, 322922), (560, 161461)]