72981160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260647}}^1$

素因数の和:260665

約数の個数: 32

約数和(自身を含む): 187666560

約数和(自身を除く): 114685400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260647, 521294, 1042588, 1303235, 1824529, 2085176, 2606470, 3649058, 5212940, 7298116, 9122645, 10425880, 14596232, 18245290, 36490580, 72981160]

約数ペア:

[(1, 72981160), (2, 36490580), (4, 18245290), (5, 14596232), (7, 10425880), (8, 9122645), (10, 7298116), (14, 5212940), (20, 3649058), (28, 2606470), (35, 2085176), (40, 1824529), (56, 1303235), (70, 1042588), (140, 521294), (280, 260647)]