12184740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 37302720

約数和(自身を除く): 25117980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 487, 556, 695, 834, 974, 1251, 1390, 1461, 1668, 1948, 2085, 2435, 2502, 2780, 2922, 4170, 4383, 4870, 5004, 5844, 6255, 7305, 8340, 8766, 9740, 12510, 14610, 17532, 21915, 25020, 29220, 43830, 67693, 87660, 135386, 203079, 270772, 338465, 406158, 609237, 676930, 812316, 1015395, 1218474, 1353860, 2030790, 2436948, 3046185, 4061580, 6092370, 12184740]

約数ペア:

[(1, 12184740), (2, 6092370), (3, 4061580), (4, 3046185), (5, 2436948), (6, 2030790), (9, 1353860), (10, 1218474), (12, 1015395), (15, 812316), (18, 676930), (20, 609237), (30, 406158), (36, 338465), (45, 270772), (60, 203079), (90, 135386), (139, 87660), (180, 67693), (278, 43830), (417, 29220), (487, 25020), (556, 21915), (695, 17532), (834, 14610), (974, 12510), (1251, 9740), (1390, 8766), (1461, 8340), (1668, 7305), (1948, 6255), (2085, 5844), (2435, 5004), (2502, 4870), (2780, 4383), (2922, 4170)]