81155610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3209}}^1$

素因数の和:3503

約数の個数: 48

約数和(自身を含む): 211821480

約数和(自身を除く): 130665870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 1405, 1686, 2529, 2810, 3209, 4215, 5058, 6418, 8430, 9627, 12645, 16045, 19254, 25290, 28881, 32090, 48135, 57762, 96270, 144405, 288810, 901729, 1803458, 2705187, 4508645, 5410374, 8115561, 9017290, 13525935, 16231122, 27051870, 40577805, 81155610]

約数ペア:

[(1, 81155610), (2, 40577805), (3, 27051870), (5, 16231122), (6, 13525935), (9, 9017290), (10, 8115561), (15, 5410374), (18, 4508645), (30, 2705187), (45, 1803458), (90, 901729), (281, 288810), (562, 144405), (843, 96270), (1405, 57762), (1686, 48135), (2529, 32090), (2810, 28881), (3209, 25290), (4215, 19254), (5058, 16045), (6418, 12645), (8430, 9627)]