78764940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145861}}^1$

素因数の和:145879

約数の個数: 48

約数和(自身を含む): 245048160

約数和(自身を除く): 166283220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145861, 291722, 437583, 583444, 729305, 875166, 1312749, 1458610, 1750332, 2187915, 2625498, 2917220, 3938247, 4375830, 5250996, 6563745, 7876494, 8751660, 13127490, 15752988, 19691235, 26254980, 39382470, 78764940]

約数ペア:

[(1, 78764940), (2, 39382470), (3, 26254980), (4, 19691235), (5, 15752988), (6, 13127490), (9, 8751660), (10, 7876494), (12, 6563745), (15, 5250996), (18, 4375830), (20, 3938247), (27, 2917220), (30, 2625498), (36, 2187915), (45, 1750332), (54, 1458610), (60, 1312749), (90, 875166), (108, 729305), (135, 583444), (180, 437583), (270, 291722), (540, 145861)]