78920580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21563}}^1$

素因数の和:21636

約数の個数: 48

約数和(自身を含む): 224610624

約数和(自身を除く): 145690044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21563, 43126, 64689, 86252, 107815, 129378, 215630, 258756, 323445, 431260, 646890, 1293780, 1315343, 2630686, 3946029, 5261372, 6576715, 7892058, 13153430, 15784116, 19730145, 26306860, 39460290, 78920580]

約数ペア:

[(1, 78920580), (2, 39460290), (3, 26306860), (4, 19730145), (5, 15784116), (6, 13153430), (10, 7892058), (12, 6576715), (15, 5261372), (20, 3946029), (30, 2630686), (60, 1315343), (61, 1293780), (122, 646890), (183, 431260), (244, 323445), (305, 258756), (366, 215630), (610, 129378), (732, 107815), (915, 86252), (1220, 64689), (1830, 43126), (3660, 21563)]