71645220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398029}}^1$

素因数の和:398044

約数の個数: 36

約数和(自身を含む): 217324380

約数和(自身を除く): 145679160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398029, 796058, 1194087, 1592116, 1990145, 2388174, 3582261, 3980290, 4776348, 5970435, 7164522, 7960580, 11940870, 14329044, 17911305, 23881740, 35822610, 71645220]

約数ペア:

[(1, 71645220), (2, 35822610), (3, 23881740), (4, 17911305), (5, 14329044), (6, 11940870), (9, 7960580), (10, 7164522), (12, 5970435), (15, 4776348), (18, 3980290), (20, 3582261), (30, 2388174), (36, 1990145), (45, 1592116), (60, 1194087), (90, 796058), (180, 398029)]