81357960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677983}}^1$

素因数の和:677997

約数の個数: 32

約数和(自身を含む): 244074240

約数和(自身を除く): 162716280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677983, 1355966, 2033949, 2711932, 3389915, 4067898, 5423864, 6779830, 8135796, 10169745, 13559660, 16271592, 20339490, 27119320, 40678980, 81357960]

約数ペア:

[(1, 81357960), (2, 40678980), (3, 27119320), (4, 20339490), (5, 16271592), (6, 13559660), (8, 10169745), (10, 8135796), (12, 6779830), (15, 5423864), (20, 4067898), (24, 3389915), (30, 2711932), (40, 2033949), (60, 1355966), (120, 677983)]