31212540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19267}}^1$

素因数の和:19288

約数の個数: 60

約数和(自身を含む): 97919976

約数和(自身を除く): 66707436

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, 19267, 38534, 57801, 77068, 96335, 115602, 173403, 192670, 231204, 289005, 346806, 385340, 520209, 578010, 693612, 867015, 1040418, 1156020, 1560627, 1734030, 2080836, 2601045, 3121254, 3468060, 5202090, 6242508, 7803135, 10404180, 15606270, 31212540]

約数ペア:

[(1, 31212540), (2, 15606270), (3, 10404180), (4, 7803135), (5, 6242508), (6, 5202090), (9, 3468060), (10, 3121254), (12, 2601045), (15, 2080836), (18, 1734030), (20, 1560627), (27, 1156020), (30, 1040418), (36, 867015), (45, 693612), (54, 578010), (60, 520209), (81, 385340), (90, 346806), (108, 289005), (135, 231204), (162, 192670), (180, 173403), (270, 115602), (324, 96335), (405, 77068), (540, 57801), (810, 38534), (1620, 19267)]