1260271120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1723}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 3016806912

約数和(自身を除く): 1756535792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 223, 328, 410, 446, 656, 820, 892, 1115, 1640, 1723, 1784, 2230, 3280, 3446, 3568, 4460, 6892, 8615, 8920, 9143, 13784, 17230, 17840, 18286, 27568, 34460, 36572, 45715, 68920, 70643, 73144, 91430, 137840, 141286, 146288, 182860, 282572, 353215, 365720, 384229, 565144, 706430, 731440, 768458, 1130288, 1412860, 1536916, 1921145, 2825720, 3073832, 3842290, 5651440, 6147664, 7684580, 15369160, 15753389, 30738320, 31506778, 63013556, 78766945, 126027112, 157533890, 252054224, 315067780, 630135560, 1260271120]

約数ペア:

[(1, 1260271120), (2, 630135560), (4, 315067780), (5, 252054224), (8, 157533890), (10, 126027112), (16, 78766945), (20, 63013556), (40, 31506778), (41, 30738320), (80, 15753389), (82, 15369160), (164, 7684580), (205, 6147664), (223, 5651440), (328, 3842290), (410, 3073832), (446, 2825720), (656, 1921145), (820, 1536916), (892, 1412860), (1115, 1130288), (1640, 768458), (1723, 731440), (1784, 706430), (2230, 565144), (3280, 384229), (3446, 365720), (3568, 353215), (4460, 282572), (6892, 182860), (8615, 146288), (8920, 141286), (9143, 137840), (13784, 91430), (17230, 73144), (17840, 70643), (18286, 68920), (27568, 45715), (34460, 36572)]