51285840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2203}}^1$

素因数の和:2316

約数の個数: 80

約数和(自身を含む): 160698048

約数和(自身を除く): 109412208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2203, 2328, 2910, 3880, 4406, 4656, 5820, 6609, 7760, 8812, 11015, 11640, 13218, 17624, 22030, 23280, 26436, 33045, 35248, 44060, 52872, 66090, 88120, 105744, 132180, 176240, 213691, 264360, 427382, 528720, 641073, 854764, 1068455, 1282146, 1709528, 2136910, 2564292, 3205365, 3419056, 4273820, 5128584, 6410730, 8547640, 10257168, 12821460, 17095280, 25642920, 51285840]

約数ペア:

[(1, 51285840), (2, 25642920), (3, 17095280), (4, 12821460), (5, 10257168), (6, 8547640), (8, 6410730), (10, 5128584), (12, 4273820), (15, 3419056), (16, 3205365), (20, 2564292), (24, 2136910), (30, 1709528), (40, 1282146), (48, 1068455), (60, 854764), (80, 641073), (97, 528720), (120, 427382), (194, 264360), (240, 213691), (291, 176240), (388, 132180), (485, 105744), (582, 88120), (776, 66090), (970, 52872), (1164, 44060), (1455, 35248), (1552, 33045), (1940, 26436), (2203, 23280), (2328, 22030), (2910, 17624), (3880, 13218), (4406, 11640), (4656, 11015), (5820, 8812), (6609, 7760)]