1978110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 5316480

約数和(自身を除く): 3338370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 709, 930, 1395, 1418, 2127, 2790, 3545, 4254, 6381, 7090, 10635, 12762, 21270, 21979, 31905, 43958, 63810, 65937, 109895, 131874, 197811, 219790, 329685, 395622, 659370, 989055, 1978110]

約数ペア:

[(1, 1978110), (2, 989055), (3, 659370), (5, 395622), (6, 329685), (9, 219790), (10, 197811), (15, 131874), (18, 109895), (30, 65937), (31, 63810), (45, 43958), (62, 31905), (90, 21979), (93, 21270), (155, 12762), (186, 10635), (279, 7090), (310, 6381), (465, 4254), (558, 3545), (709, 2790), (930, 2127), (1395, 1418)]