15251080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 37396800

約数和(自身を除く): 22145720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 211, 260, 278, 422, 520, 556, 695, 844, 1055, 1112, 1390, 1688, 1807, 2110, 2743, 2780, 3614, 4220, 5486, 5560, 7228, 8440, 9035, 10972, 13715, 14456, 18070, 21944, 27430, 29329, 36140, 54860, 58658, 72280, 109720, 117316, 146645, 234632, 293290, 381277, 586580, 762554, 1173160, 1525108, 1906385, 3050216, 3812770, 7625540, 15251080]

約数ペア:

[(1, 15251080), (2, 7625540), (4, 3812770), (5, 3050216), (8, 1906385), (10, 1525108), (13, 1173160), (20, 762554), (26, 586580), (40, 381277), (52, 293290), (65, 234632), (104, 146645), (130, 117316), (139, 109720), (211, 72280), (260, 58658), (278, 54860), (422, 36140), (520, 29329), (556, 27430), (695, 21944), (844, 18070), (1055, 14456), (1112, 13715), (1390, 10972), (1688, 9035), (1807, 8440), (2110, 7228), (2743, 5560), (2780, 5486), (3614, 4220)]