15815540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 20593420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1031, 1180, 1534, 2062, 3068, 3835, 4124, 5155, 7670, 10310, 13403, 15340, 20620, 26806, 53612, 60829, 67015, 121658, 134030, 243316, 268060, 304145, 608290, 790777, 1216580, 1581554, 3163108, 3953885, 7907770, 15815540]

約数ペア:

[(1, 15815540), (2, 7907770), (4, 3953885), (5, 3163108), (10, 1581554), (13, 1216580), (20, 790777), (26, 608290), (52, 304145), (59, 268060), (65, 243316), (118, 134030), (130, 121658), (236, 67015), (260, 60829), (295, 53612), (590, 26806), (767, 20620), (1031, 15340), (1180, 13403), (1534, 10310), (2062, 7670), (3068, 5155), (3835, 4124)]