80317620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3257}}^1$

素因数の和:3409

約数の個数: 72

約数和(自身を含む): 245483784

約数和(自身を除く): 165166164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 3257, 4110, 4932, 6165, 6514, 8220, 9771, 12330, 13028, 16285, 19542, 24660, 29313, 32570, 39084, 48855, 58626, 65140, 97710, 117252, 146565, 195420, 293130, 446209, 586260, 892418, 1338627, 1784836, 2231045, 2677254, 4015881, 4462090, 5354508, 6693135, 8031762, 8924180, 13386270, 16063524, 20079405, 26772540, 40158810, 80317620]

約数ペア:

[(1, 80317620), (2, 40158810), (3, 26772540), (4, 20079405), (5, 16063524), (6, 13386270), (9, 8924180), (10, 8031762), (12, 6693135), (15, 5354508), (18, 4462090), (20, 4015881), (30, 2677254), (36, 2231045), (45, 1784836), (60, 1338627), (90, 892418), (137, 586260), (180, 446209), (274, 293130), (411, 195420), (548, 146565), (685, 117252), (822, 97710), (1233, 65140), (1370, 58626), (1644, 48855), (2055, 39084), (2466, 32570), (2740, 29313), (3257, 24660), (4110, 19542), (4932, 16285), (6165, 13028), (6514, 12330), (8220, 9771)]