180997020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4391}}^1$

素因数の和:4635

約数の個数: 72

約数和(自身を含む): 551547360

約数和(自身を除く): 370550340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4391, 4580, 6870, 8244, 8782, 10305, 13173, 13740, 17564, 20610, 21955, 26346, 39519, 41220, 43910, 52692, 65865, 79038, 87820, 131730, 158076, 197595, 263460, 395190, 790380, 1005539, 2011078, 3016617, 4022156, 5027695, 6033234, 9049851, 10055390, 12066468, 15083085, 18099702, 20110780, 30166170, 36199404, 45249255, 60332340, 90498510, 180997020]

約数ペア:

[(1, 180997020), (2, 90498510), (3, 60332340), (4, 45249255), (5, 36199404), (6, 30166170), (9, 20110780), (10, 18099702), (12, 15083085), (15, 12066468), (18, 10055390), (20, 9049851), (30, 6033234), (36, 5027695), (45, 4022156), (60, 3016617), (90, 2011078), (180, 1005539), (229, 790380), (458, 395190), (687, 263460), (916, 197595), (1145, 158076), (1374, 131730), (2061, 87820), (2290, 79038), (2748, 65865), (3435, 52692), (4122, 43910), (4391, 41220), (4580, 39519), (6870, 26346), (8244, 21955), (8782, 20610), (10305, 17564), (13173, 13740)]