72085120

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 173636640

約数和(自身を除く): 101551520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 640, 652, 691, 815, 1304, 1382, 1630, 2608, 2764, 3260, 3455, 5216, 5528, 6520, 6910, 10432, 11056, 13040, 13820, 20864, 22112, 26080, 27640, 44224, 52160, 55280, 88448, 104320, 110560, 112633, 221120, 225266, 442240, 450532, 563165, 901064, 1126330, 1802128, 2252660, 3604256, 4505320, 7208512, 9010640, 14417024, 18021280, 36042560, 72085120]

約数ペア:

[(1, 72085120), (2, 36042560), (4, 18021280), (5, 14417024), (8, 9010640), (10, 7208512), (16, 4505320), (20, 3604256), (32, 2252660), (40, 1802128), (64, 1126330), (80, 901064), (128, 563165), (160, 450532), (163, 442240), (320, 225266), (326, 221120), (640, 112633), (652, 110560), (691, 104320), (815, 88448), (1304, 55280), (1382, 52160), (1630, 44224), (2608, 27640), (2764, 26080), (3260, 22112), (3455, 20864), (5216, 13820), (5528, 13040), (6520, 11056), (6910, 10432)]