81461820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123427}}^1$

素因数の和:123450

約数の個数: 48

約数和(自身を含む): 248830848

約数和(自身を除く): 167369028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 123427, 246854, 370281, 493708, 617135, 740562, 1234270, 1357697, 1481124, 1851405, 2468540, 2715394, 3702810, 4073091, 5430788, 6788485, 7405620, 8146182, 13576970, 16292364, 20365455, 27153940, 40730910, 81461820]

約数ペア:

[(1, 81461820), (2, 40730910), (3, 27153940), (4, 20365455), (5, 16292364), (6, 13576970), (10, 8146182), (11, 7405620), (12, 6788485), (15, 5430788), (20, 4073091), (22, 3702810), (30, 2715394), (33, 2468540), (44, 1851405), (55, 1481124), (60, 1357697), (66, 1234270), (110, 740562), (132, 617135), (165, 493708), (220, 370281), (330, 246854), (660, 123427)]