205145820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9419}}^1$

素因数の和:9456

約数の個数: 108

約数和(自身を含む): 684061560

約数和(自身を除く): 478915740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9419, 10890, 18838, 21780, 28257, 37676, 47095, 56514, 84771, 94190, 103609, 113028, 141285, 169542, 188380, 207218, 282570, 310827, 339084, 414436, 423855, 518045, 565140, 621654, 847710, 932481, 1036090, 1139699, 1243308, 1554135, 1695420, 1864962, 2072180, 2279398, 3108270, 3419097, 3729924, 4558796, 4662405, 5698495, 6216540, 6838194, 9324810, 10257291, 11396990, 13676388, 17095485, 18649620, 20514582, 22793980, 34190970, 41029164, 51286455, 68381940, 102572910, 205145820]

約数ペア:

[(1, 205145820), (2, 102572910), (3, 68381940), (4, 51286455), (5, 41029164), (6, 34190970), (9, 22793980), (10, 20514582), (11, 18649620), (12, 17095485), (15, 13676388), (18, 11396990), (20, 10257291), (22, 9324810), (30, 6838194), (33, 6216540), (36, 5698495), (44, 4662405), (45, 4558796), (55, 3729924), (60, 3419097), (66, 3108270), (90, 2279398), (99, 2072180), (110, 1864962), (121, 1695420), (132, 1554135), (165, 1243308), (180, 1139699), (198, 1036090), (220, 932481), (242, 847710), (330, 621654), (363, 565140), (396, 518045), (484, 423855), (495, 414436), (605, 339084), (660, 310827), (726, 282570), (990, 207218), (1089, 188380), (1210, 169542), (1452, 141285), (1815, 113028), (1980, 103609), (2178, 94190), (2420, 84771), (3630, 56514), (4356, 47095), (5445, 37676), (7260, 28257), (9419, 21780), (10890, 18838)]