278316060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421691}}^1$

素因数の和:421714

約数の個数: 48

約数和(自身を含む): 850131072

約数和(自身を除く): 571815012

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 421691, 843382, 1265073, 1686764, 2108455, 2530146, 4216910, 4638601, 5060292, 6325365, 8433820, 9277202, 12650730, 13915803, 18554404, 23193005, 25301460, 27831606, 46386010, 55663212, 69579015, 92772020, 139158030, 278316060]

約数ペア:

[(1, 278316060), (2, 139158030), (3, 92772020), (4, 69579015), (5, 55663212), (6, 46386010), (10, 27831606), (11, 25301460), (12, 23193005), (15, 18554404), (20, 13915803), (22, 12650730), (30, 9277202), (33, 8433820), (44, 6325365), (55, 5060292), (60, 4638601), (66, 4216910), (110, 2530146), (132, 2108455), (165, 1686764), (220, 1265073), (330, 843382), (660, 421691)]