221530860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1230727}}^1$

素因数の和:1230742

約数の個数: 36

約数和(自身を含む): 671977488

約数和(自身を除く): 450446628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1230727, 2461454, 3692181, 4922908, 6153635, 7384362, 11076543, 12307270, 14768724, 18460905, 22153086, 24614540, 36921810, 44306172, 55382715, 73843620, 110765430, 221530860]

約数ペア:

[(1, 221530860), (2, 110765430), (3, 73843620), (4, 55382715), (5, 44306172), (6, 36921810), (9, 24614540), (10, 22153086), (12, 18460905), (15, 14768724), (18, 12307270), (20, 11076543), (30, 7384362), (36, 6153635), (45, 4922908), (60, 3692181), (90, 2461454), (180, 1230727)]