31280580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19309}}^1$

素因数の和:19330

約数の個数: 60

約数和(自身を含む): 98133420

約数和(自身を除く): 66852840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19309, 38618, 57927, 77236, 96545, 115854, 173781, 193090, 231708, 289635, 347562, 386180, 521343, 579270, 695124, 868905, 1042686, 1158540, 1564029, 1737810, 2085372, 2606715, 3128058, 3475620, 5213430, 6256116, 7820145, 10426860, 15640290, 31280580]

約数ペア:

[(1, 31280580), (2, 15640290), (3, 10426860), (4, 7820145), (5, 6256116), (6, 5213430), (9, 3475620), (10, 3128058), (12, 2606715), (15, 2085372), (18, 1737810), (20, 1564029), (27, 1158540), (30, 1042686), (36, 868905), (45, 695124), (54, 579270), (60, 521343), (81, 386180), (90, 347562), (108, 289635), (135, 231708), (162, 193090), (180, 173781), (270, 115854), (324, 96545), (405, 77236), (540, 57927), (810, 38618), (1620, 19309)]