13123740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31247}}^1$

素因数の和:31266

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 28873572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31247, 62494, 93741, 124988, 156235, 187482, 218729, 312470, 374964, 437458, 468705, 624940, 656187, 874916, 937410, 1093645, 1312374, 1874820, 2187290, 2624748, 3280935, 4374580, 6561870, 13123740]

約数ペア:

[(1, 13123740), (2, 6561870), (3, 4374580), (4, 3280935), (5, 2624748), (6, 2187290), (7, 1874820), (10, 1312374), (12, 1093645), (14, 937410), (15, 874916), (20, 656187), (21, 624940), (28, 468705), (30, 437458), (35, 374964), (42, 312470), (60, 218729), (70, 187482), (84, 156235), (105, 124988), (140, 93741), (210, 62494), (420, 31247)]