78240870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1601}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 209926080

約数和(自身を除く): 131685210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 181, 270, 362, 543, 905, 1086, 1601, 1629, 1810, 2715, 3202, 3258, 4803, 4887, 5430, 8005, 8145, 9606, 9774, 14409, 16010, 16290, 24015, 24435, 28818, 43227, 48030, 48870, 72045, 86454, 144090, 216135, 289781, 432270, 579562, 869343, 1448905, 1738686, 2608029, 2897810, 4346715, 5216058, 7824087, 8693430, 13040145, 15648174, 26080290, 39120435, 78240870]

約数ペア:

[(1, 78240870), (2, 39120435), (3, 26080290), (5, 15648174), (6, 13040145), (9, 8693430), (10, 7824087), (15, 5216058), (18, 4346715), (27, 2897810), (30, 2608029), (45, 1738686), (54, 1448905), (90, 869343), (135, 579562), (181, 432270), (270, 289781), (362, 216135), (543, 144090), (905, 86454), (1086, 72045), (1601, 48870), (1629, 48030), (1810, 43227), (2715, 28818), (3202, 24435), (3258, 24015), (4803, 16290), (4887, 16010), (5430, 14409), (8005, 9774), (8145, 9606)]