61516540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 142349760

約数和(自身を除く): 80833220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 367, 493, 578, 580, 734, 986, 1156, 1445, 1468, 1835, 1972, 2465, 2890, 3670, 4930, 5780, 6239, 7340, 8381, 9860, 10643, 12478, 16762, 21286, 24956, 31195, 33524, 41905, 42572, 53215, 62390, 83810, 106063, 106430, 124780, 167620, 180931, 212126, 212860, 361862, 424252, 530315, 723724, 904655, 1060630, 1809310, 2121260, 3075827, 3618620, 6151654, 12303308, 15379135, 30758270, 61516540]

約数ペア:

[(1, 61516540), (2, 30758270), (4, 15379135), (5, 12303308), (10, 6151654), (17, 3618620), (20, 3075827), (29, 2121260), (34, 1809310), (58, 1060630), (68, 904655), (85, 723724), (116, 530315), (145, 424252), (170, 361862), (289, 212860), (290, 212126), (340, 180931), (367, 167620), (493, 124780), (578, 106430), (580, 106063), (734, 83810), (986, 62390), (1156, 53215), (1445, 42572), (1468, 41905), (1835, 33524), (1972, 31195), (2465, 24956), (2890, 21286), (3670, 16762), (4930, 12478), (5780, 10643), (6239, 9860), (7340, 8381)]