128519360

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1801}}^1$

素因数の和:2041

約数の個数: 56

約数和(自身を含む): 307579776

約数和(自身を除く): 179060416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 1115, 1784, 1801, 2230, 3568, 3602, 4460, 7136, 7204, 8920, 9005, 14272, 14408, 17840, 18010, 28816, 35680, 36020, 57632, 71360, 72040, 115264, 144080, 288160, 401623, 576320, 803246, 1606492, 2008115, 3212984, 4016230, 6425968, 8032460, 12851936, 16064920, 25703872, 32129840, 64259680, 128519360]

約数ペア:

[(1, 128519360), (2, 64259680), (4, 32129840), (5, 25703872), (8, 16064920), (10, 12851936), (16, 8032460), (20, 6425968), (32, 4016230), (40, 3212984), (64, 2008115), (80, 1606492), (160, 803246), (223, 576320), (320, 401623), (446, 288160), (892, 144080), (1115, 115264), (1784, 72040), (1801, 71360), (2230, 57632), (3568, 36020), (3602, 35680), (4460, 28816), (7136, 18010), (7204, 17840), (8920, 14408), (9005, 14272)]