72971680

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3329}}^1$

素因数の和:3481

約数の個数: 48

約数和(自身を含む): 173706120

約数和(自身を除く): 100734440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3329, 4384, 5480, 6658, 10960, 13316, 16645, 21920, 26632, 33290, 53264, 66580, 106528, 133160, 266320, 456073, 532640, 912146, 1824292, 2280365, 3648584, 4560730, 7297168, 9121460, 14594336, 18242920, 36485840, 72971680]

約数ペア:

[(1, 72971680), (2, 36485840), (4, 18242920), (5, 14594336), (8, 9121460), (10, 7297168), (16, 4560730), (20, 3648584), (32, 2280365), (40, 1824292), (80, 912146), (137, 532640), (160, 456073), (274, 266320), (548, 133160), (685, 106528), (1096, 66580), (1370, 53264), (2192, 33290), (2740, 26632), (3329, 21920), (4384, 16645), (5480, 13316), (6658, 10960)]