77787180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3109}}^1$

素因数の和:3263

約数の個数: 72

約数和(自身を含む): 237728400

約数和(自身を除く): 159941220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3109, 4170, 5004, 6218, 6255, 8340, 9327, 12436, 12510, 15545, 18654, 25020, 27981, 31090, 37308, 46635, 55962, 62180, 93270, 111924, 139905, 186540, 279810, 432151, 559620, 864302, 1296453, 1728604, 2160755, 2592906, 3889359, 4321510, 5185812, 6482265, 7778718, 8643020, 12964530, 15557436, 19446795, 25929060, 38893590, 77787180]

約数ペア:

[(1, 77787180), (2, 38893590), (3, 25929060), (4, 19446795), (5, 15557436), (6, 12964530), (9, 8643020), (10, 7778718), (12, 6482265), (15, 5185812), (18, 4321510), (20, 3889359), (30, 2592906), (36, 2160755), (45, 1728604), (60, 1296453), (90, 864302), (139, 559620), (180, 432151), (278, 279810), (417, 186540), (556, 139905), (695, 111924), (834, 93270), (1251, 62180), (1390, 55962), (1668, 46635), (2085, 37308), (2502, 31090), (2780, 27981), (3109, 25020), (4170, 18654), (5004, 15545), (6218, 12510), (6255, 12436), (8340, 9327)]