15754040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 37444680

約数和(自身を除く): 21690640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1091, 1444, 1805, 2182, 2888, 3610, 4364, 5455, 7220, 8728, 10910, 14440, 20729, 21820, 41458, 43640, 82916, 103645, 165832, 207290, 393851, 414580, 787702, 829160, 1575404, 1969255, 3150808, 3938510, 7877020, 15754040]

約数ペア:

[(1, 15754040), (2, 7877020), (4, 3938510), (5, 3150808), (8, 1969255), (10, 1575404), (19, 829160), (20, 787702), (38, 414580), (40, 393851), (76, 207290), (95, 165832), (152, 103645), (190, 82916), (361, 43640), (380, 41458), (722, 21820), (760, 20729), (1091, 14440), (1444, 10910), (1805, 8728), (2182, 7220), (2888, 5455), (3610, 4364)]