261216120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197891}}^1$

素因数の和:197916

約数の個数: 64

約数和(自身を含む): 854893440

約数和(自身を除く): 593677320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 197891, 395782, 593673, 791564, 989455, 1187346, 1583128, 1978910, 2176801, 2374692, 2968365, 3957820, 4353602, 4749384, 5936730, 6530403, 7915640, 8707204, 10884005, 11873460, 13060806, 17414408, 21768010, 23746920, 26121612, 32652015, 43536020, 52243224, 65304030, 87072040, 130608060, 261216120]

約数ペア:

[(1, 261216120), (2, 130608060), (3, 87072040), (4, 65304030), (5, 52243224), (6, 43536020), (8, 32652015), (10, 26121612), (11, 23746920), (12, 21768010), (15, 17414408), (20, 13060806), (22, 11873460), (24, 10884005), (30, 8707204), (33, 7915640), (40, 6530403), (44, 5936730), (55, 4749384), (60, 4353602), (66, 3957820), (88, 2968365), (110, 2374692), (120, 2176801), (132, 1978910), (165, 1583128), (220, 1187346), (264, 989455), (330, 791564), (440, 593673), (660, 395782), (1320, 197891)]