1255720120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{6029}}^1$

素因数の和:6208

約数の個数: 64

約数和(自身を含む): 2917555200

約数和(自身を除く): 1661835080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 2540, 5080, 5207, 6029, 10414, 12058, 20828, 24116, 26035, 30145, 41656, 48232, 52070, 60290, 104140, 120580, 208280, 241160, 247189, 494378, 765683, 988756, 1235945, 1531366, 1977512, 2471890, 3062732, 3828415, 4943780, 6125464, 7656830, 9887560, 15313660, 30627320, 31393003, 62786006, 125572012, 156965015, 251144024, 313930030, 627860060, 1255720120]

約数ペア:

[(1, 1255720120), (2, 627860060), (4, 313930030), (5, 251144024), (8, 156965015), (10, 125572012), (20, 62786006), (40, 31393003), (41, 30627320), (82, 15313660), (127, 9887560), (164, 7656830), (205, 6125464), (254, 4943780), (328, 3828415), (410, 3062732), (508, 2471890), (635, 1977512), (820, 1531366), (1016, 1235945), (1270, 988756), (1640, 765683), (2540, 494378), (5080, 247189), (5207, 241160), (6029, 208280), (10414, 120580), (12058, 104140), (20828, 60290), (24116, 52070), (26035, 48232), (30145, 41656)]