7780020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 21977088

約数和(自身を除く): 14197068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1021, 1270, 1524, 1905, 2042, 2540, 3063, 3810, 4084, 5105, 6126, 7620, 10210, 12252, 15315, 20420, 30630, 61260, 129667, 259334, 389001, 518668, 648335, 778002, 1296670, 1556004, 1945005, 2593340, 3890010, 7780020]

約数ペア:

[(1, 7780020), (2, 3890010), (3, 2593340), (4, 1945005), (5, 1556004), (6, 1296670), (10, 778002), (12, 648335), (15, 518668), (20, 389001), (30, 259334), (60, 129667), (127, 61260), (254, 30630), (381, 20420), (508, 15315), (635, 12252), (762, 10210), (1021, 7620), (1270, 6126), (1524, 5105), (1905, 4084), (2042, 3810), (2540, 3063)]