306697140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1709}}^1$

素因数の和:2721

約数の個数: 72

約数和(自身を含む): 931792680

約数和(自身を除く): 625095540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 997, 1709, 1994, 2991, 3418, 3988, 4985, 5127, 5982, 6836, 8545, 8973, 9970, 10254, 11964, 14955, 15381, 17090, 17946, 19940, 20508, 25635, 29910, 30762, 34180, 35892, 44865, 51270, 59820, 61524, 76905, 89730, 102540, 153810, 179460, 307620, 1703873, 3407746, 5111619, 6815492, 8519365, 10223238, 15334857, 17038730, 20446476, 25558095, 30669714, 34077460, 51116190, 61339428, 76674285, 102232380, 153348570, 306697140]

約数ペア:

[(1, 306697140), (2, 153348570), (3, 102232380), (4, 76674285), (5, 61339428), (6, 51116190), (9, 34077460), (10, 30669714), (12, 25558095), (15, 20446476), (18, 17038730), (20, 15334857), (30, 10223238), (36, 8519365), (45, 6815492), (60, 5111619), (90, 3407746), (180, 1703873), (997, 307620), (1709, 179460), (1994, 153810), (2991, 102540), (3418, 89730), (3988, 76905), (4985, 61524), (5127, 59820), (5982, 51270), (6836, 44865), (8545, 35892), (8973, 34180), (9970, 30762), (10254, 29910), (11964, 25635), (14955, 20508), (15381, 19940), (17090, 17946)]