90881790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70451}}^1$

素因数の和:70504

約数の個数: 32

約数和(自身を含む): 223191936

約数和(自身を除く): 132310146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 70451, 140902, 211353, 352255, 422706, 704510, 1056765, 2113530, 3029393, 6058786, 9088179, 15146965, 18176358, 30293930, 45440895, 90881790]

約数ペア:

[(1, 90881790), (2, 45440895), (3, 30293930), (5, 18176358), (6, 15146965), (10, 9088179), (15, 6058786), (30, 3029393), (43, 2113530), (86, 1056765), (129, 704510), (215, 422706), (258, 352255), (430, 211353), (645, 140902), (1290, 70451)]