7790220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 23901696

約数和(自身を除く): 16111476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 383, 452, 565, 678, 766, 1017, 1130, 1149, 1356, 1532, 1695, 1915, 2034, 2260, 2298, 3390, 3447, 3830, 4068, 4596, 5085, 5745, 6780, 6894, 7660, 10170, 11490, 13788, 17235, 20340, 22980, 34470, 43279, 68940, 86558, 129837, 173116, 216395, 259674, 389511, 432790, 519348, 649185, 779022, 865580, 1298370, 1558044, 1947555, 2596740, 3895110, 7790220]

約数ペア:

[(1, 7790220), (2, 3895110), (3, 2596740), (4, 1947555), (5, 1558044), (6, 1298370), (9, 865580), (10, 779022), (12, 649185), (15, 519348), (18, 432790), (20, 389511), (30, 259674), (36, 216395), (45, 173116), (60, 129837), (90, 86558), (113, 68940), (180, 43279), (226, 34470), (339, 22980), (383, 20340), (452, 17235), (565, 13788), (678, 11490), (766, 10170), (1017, 7660), (1130, 6894), (1149, 6780), (1356, 5745), (1532, 5085), (1695, 4596), (1915, 4068), (2034, 3830), (2260, 3447), (2298, 3390)]