123919020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{971}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 376805520

約数和(自身を除く): 252886500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 709, 971, 1418, 1942, 2127, 2836, 2913, 3545, 3884, 4254, 4855, 5826, 6381, 7090, 8508, 8739, 9710, 10635, 11652, 12762, 14180, 14565, 17478, 19420, 21270, 25524, 29130, 31905, 34956, 42540, 43695, 58260, 63810, 87390, 127620, 174780, 688439, 1376878, 2065317, 2753756, 3442195, 4130634, 6195951, 6884390, 8261268, 10326585, 12391902, 13768780, 20653170, 24783804, 30979755, 41306340, 61959510, 123919020]

約数ペア:

[(1, 123919020), (2, 61959510), (3, 41306340), (4, 30979755), (5, 24783804), (6, 20653170), (9, 13768780), (10, 12391902), (12, 10326585), (15, 8261268), (18, 6884390), (20, 6195951), (30, 4130634), (36, 3442195), (45, 2753756), (60, 2065317), (90, 1376878), (180, 688439), (709, 174780), (971, 127620), (1418, 87390), (1942, 63810), (2127, 58260), (2836, 43695), (2913, 42540), (3545, 34956), (3884, 31905), (4254, 29130), (4855, 25524), (5826, 21270), (6381, 19420), (7090, 17478), (8508, 14565), (8739, 14180), (9710, 12762), (10635, 11652)]