31580490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24481}}^1$

素因数の和:24534

約数の個数: 32

約数和(自身を含む): 77558976

約数和(自身を除く): 45978486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 24481, 48962, 73443, 122405, 146886, 244810, 367215, 734430, 1052683, 2105366, 3158049, 5263415, 6316098, 10526830, 15790245, 31580490]

約数ペア:

[(1, 31580490), (2, 15790245), (3, 10526830), (5, 6316098), (6, 5263415), (10, 3158049), (15, 2105366), (30, 1052683), (43, 734430), (86, 367215), (129, 244810), (215, 146886), (258, 122405), (430, 73443), (645, 48962), (1290, 24481)]