13331780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 35214144

約数和(自身を除く): 21882364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 787, 847, 1210, 1540, 1574, 1694, 2420, 3148, 3388, 3935, 4235, 5509, 7870, 8470, 8657, 11018, 15740, 16940, 17314, 22036, 27545, 34628, 43285, 55090, 60599, 86570, 95227, 110180, 121198, 173140, 190454, 242396, 302995, 380908, 476135, 605990, 666589, 952270, 1211980, 1333178, 1904540, 2666356, 3332945, 6665890, 13331780]

約数ペア:

[(1, 13331780), (2, 6665890), (4, 3332945), (5, 2666356), (7, 1904540), (10, 1333178), (11, 1211980), (14, 952270), (20, 666589), (22, 605990), (28, 476135), (35, 380908), (44, 302995), (55, 242396), (70, 190454), (77, 173140), (110, 121198), (121, 110180), (140, 95227), (154, 86570), (220, 60599), (242, 55090), (308, 43285), (385, 34628), (484, 27545), (605, 22036), (770, 17314), (787, 16940), (847, 15740), (1210, 11018), (1540, 8657), (1574, 8470), (1694, 7870), (2420, 5509), (3148, 4235), (3388, 3935)]