81461220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{5981}}^1$

素因数の和:6220

約数の個数: 48

約数和(自身を含む): 229134528

約数和(自身を除く): 147673308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 2270, 2724, 3405, 4540, 5981, 6810, 11962, 13620, 17943, 23924, 29905, 35886, 59810, 71772, 89715, 119620, 179430, 358860, 1357687, 2715374, 4073061, 5430748, 6788435, 8146122, 13576870, 16292244, 20365305, 27153740, 40730610, 81461220]

約数ペア:

[(1, 81461220), (2, 40730610), (3, 27153740), (4, 20365305), (5, 16292244), (6, 13576870), (10, 8146122), (12, 6788435), (15, 5430748), (20, 4073061), (30, 2715374), (60, 1357687), (227, 358860), (454, 179430), (681, 119620), (908, 89715), (1135, 71772), (1362, 59810), (2270, 35886), (2724, 29905), (3405, 23924), (4540, 17943), (5981, 13620), (6810, 11962)]