72945760

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2797}}^1$

素因数の和:2975

約数の個数: 48

約数和(自身を含む): 173453616

約数和(自身を除く): 100507856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 2797, 3260, 5216, 5594, 6520, 11188, 13040, 13985, 22376, 26080, 27970, 44752, 55940, 89504, 111880, 223760, 447520, 455911, 911822, 1823644, 2279555, 3647288, 4559110, 7294576, 9118220, 14589152, 18236440, 36472880, 72945760]

約数ペア:

[(1, 72945760), (2, 36472880), (4, 18236440), (5, 14589152), (8, 9118220), (10, 7294576), (16, 4559110), (20, 3647288), (32, 2279555), (40, 1823644), (80, 911822), (160, 455911), (163, 447520), (326, 223760), (652, 111880), (815, 89504), (1304, 55940), (1630, 44752), (2608, 27970), (2797, 26080), (3260, 22376), (5216, 13985), (5594, 13040), (6520, 11188)]