74790660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{25439}}^1$

素因数の和:25465

約数の個数: 72

約数和(自身を含む): 243613440

約数和(自身を除く): 168822780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 25439, 50878, 76317, 101756, 127195, 152634, 178073, 254390, 305268, 356146, 381585, 508780, 534219, 712292, 763170, 890365, 1068438, 1246511, 1526340, 1780730, 2136876, 2493022, 2671095, 3561460, 3739533, 4986044, 5342190, 6232555, 7479066, 10684380, 12465110, 14958132, 18697665, 24930220, 37395330, 74790660]

約数ペア:

[(1, 74790660), (2, 37395330), (3, 24930220), (4, 18697665), (5, 14958132), (6, 12465110), (7, 10684380), (10, 7479066), (12, 6232555), (14, 5342190), (15, 4986044), (20, 3739533), (21, 3561460), (28, 2671095), (30, 2493022), (35, 2136876), (42, 1780730), (49, 1526340), (60, 1246511), (70, 1068438), (84, 890365), (98, 763170), (105, 712292), (140, 534219), (147, 508780), (196, 381585), (210, 356146), (245, 305268), (294, 254390), (420, 178073), (490, 152634), (588, 127195), (735, 101756), (980, 76317), (1470, 50878), (2940, 25439)]