72905220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405029}}^1$

素因数の和:405044

約数の個数: 36

約数和(自身を含む): 221146380

約数和(自身を除く): 148241160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405029, 810058, 1215087, 1620116, 2025145, 2430174, 3645261, 4050290, 4860348, 6075435, 7290522, 8100580, 12150870, 14581044, 18226305, 24301740, 36452610, 72905220]

約数ペア:

[(1, 72905220), (2, 36452610), (3, 24301740), (4, 18226305), (5, 14581044), (6, 12150870), (9, 8100580), (10, 7290522), (12, 6075435), (15, 4860348), (18, 4050290), (20, 3645261), (30, 2430174), (36, 2025145), (45, 1620116), (60, 1215087), (90, 810058), (180, 405029)]