15285920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7349}}^1$

素因数の和:7377

約数の個数: 48

約数和(自身を含む): 38896200

約数和(自身を除く): 23610280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7349, 14698, 29396, 36745, 58792, 73490, 95537, 117584, 146980, 191074, 235168, 293960, 382148, 477685, 587920, 764296, 955370, 1175840, 1528592, 1910740, 3057184, 3821480, 7642960, 15285920]

約数ペア:

[(1, 15285920), (2, 7642960), (4, 3821480), (5, 3057184), (8, 1910740), (10, 1528592), (13, 1175840), (16, 955370), (20, 764296), (26, 587920), (32, 477685), (40, 382148), (52, 293960), (65, 235168), (80, 191074), (104, 146980), (130, 117584), (160, 95537), (208, 73490), (260, 58792), (416, 36745), (520, 29396), (1040, 14698), (2080, 7349)]