7921380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 23087232

約数和(自身を除く): 15165852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 53, 60, 94, 106, 141, 159, 188, 212, 235, 265, 282, 318, 470, 530, 564, 636, 705, 795, 940, 1060, 1410, 1590, 2491, 2809, 2820, 3180, 4982, 5618, 7473, 8427, 9964, 11236, 12455, 14045, 14946, 16854, 24910, 28090, 29892, 33708, 37365, 42135, 49820, 56180, 74730, 84270, 132023, 149460, 168540, 264046, 396069, 528092, 660115, 792138, 1320230, 1584276, 1980345, 2640460, 3960690, 7921380]

約数ペア:

[(1, 7921380), (2, 3960690), (3, 2640460), (4, 1980345), (5, 1584276), (6, 1320230), (10, 792138), (12, 660115), (15, 528092), (20, 396069), (30, 264046), (47, 168540), (53, 149460), (60, 132023), (94, 84270), (106, 74730), (141, 56180), (159, 49820), (188, 42135), (212, 37365), (235, 33708), (265, 29892), (282, 28090), (318, 24910), (470, 16854), (530, 14946), (564, 14045), (636, 12455), (705, 11236), (795, 9964), (940, 8427), (1060, 7473), (1410, 5618), (1590, 4982), (2491, 3180), (2809, 2820)]