31143240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{86509}}^1$

素因数の和:86526

約数の個数: 48

約数和(自身を含む): 101216700

約数和(自身を除く): 70073460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 86509, 173018, 259527, 346036, 432545, 519054, 692072, 778581, 865090, 1038108, 1297635, 1557162, 1730180, 2076216, 2595270, 3114324, 3460360, 3892905, 5190540, 6228648, 7785810, 10381080, 15571620, 31143240]

約数ペア:

[(1, 31143240), (2, 15571620), (3, 10381080), (4, 7785810), (5, 6228648), (6, 5190540), (8, 3892905), (9, 3460360), (10, 3114324), (12, 2595270), (15, 2076216), (18, 1730180), (20, 1557162), (24, 1297635), (30, 1038108), (36, 865090), (40, 778581), (45, 692072), (60, 519054), (72, 432545), (90, 346036), (120, 259527), (180, 173018), (360, 86509)]