72781740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{44927}}^1$

素因数の和:44948

約数の個数: 60

約数和(自身を含む): 228324096

約数和(自身を除く): 155542356

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, 44927, 89854, 134781, 179708, 224635, 269562, 404343, 449270, 539124, 673905, 808686, 898540, 1213029, 1347810, 1617372, 2021715, 2426058, 2695620, 3639087, 4043430, 4852116, 6065145, 7278174, 8086860, 12130290, 14556348, 18195435, 24260580, 36390870, 72781740]

約数ペア:

[(1, 72781740), (2, 36390870), (3, 24260580), (4, 18195435), (5, 14556348), (6, 12130290), (9, 8086860), (10, 7278174), (12, 6065145), (15, 4852116), (18, 4043430), (20, 3639087), (27, 2695620), (30, 2426058), (36, 2021715), (45, 1617372), (54, 1347810), (60, 1213029), (81, 898540), (90, 808686), (108, 673905), (135, 539124), (162, 449270), (180, 404343), (270, 269562), (324, 224635), (405, 179708), (540, 134781), (810, 89854), (1620, 44927)]