81422910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2909}}^1$

素因数の和:3233

約数の個数: 48

約数和(自身を含む): 212453280

約数和(自身を除く): 131030370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1555, 1866, 2799, 2909, 3110, 4665, 5598, 5818, 8727, 9330, 13995, 14545, 17454, 26181, 27990, 29090, 43635, 52362, 87270, 130905, 261810, 904699, 1809398, 2714097, 4523495, 5428194, 8142291, 9046990, 13570485, 16284582, 27140970, 40711455, 81422910]

約数ペア:

[(1, 81422910), (2, 40711455), (3, 27140970), (5, 16284582), (6, 13570485), (9, 9046990), (10, 8142291), (15, 5428194), (18, 4523495), (30, 2714097), (45, 1809398), (90, 904699), (311, 261810), (622, 130905), (933, 87270), (1555, 52362), (1866, 43635), (2799, 29090), (2909, 27990), (3110, 26181), (4665, 17454), (5598, 14545), (5818, 13995), (8727, 9330)]