72424380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172439}}^1$

素因数の和:172458

約数の個数: 48

約数和(自身を含む): 231759360

約数和(自身を除く): 159334980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172439, 344878, 517317, 689756, 862195, 1034634, 1207073, 1724390, 2069268, 2414146, 2586585, 3448780, 3621219, 4828292, 5173170, 6035365, 7242438, 10346340, 12070730, 14484876, 18106095, 24141460, 36212190, 72424380]

約数ペア:

[(1, 72424380), (2, 36212190), (3, 24141460), (4, 18106095), (5, 14484876), (6, 12070730), (7, 10346340), (10, 7242438), (12, 6035365), (14, 5173170), (15, 4828292), (20, 3621219), (21, 3448780), (28, 2586585), (30, 2414146), (35, 2069268), (42, 1724390), (60, 1207073), (70, 1034634), (84, 862195), (105, 689756), (140, 517317), (210, 344878), (420, 172439)]