121720120

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2417}}^1$

素因数の和:3687

約数の個数: 32

約数和(自身を含む): 274201200

約数和(自身を除く): 152481080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2417, 2518, 4834, 5036, 6295, 9668, 10072, 12085, 12590, 19336, 24170, 25180, 48340, 50360, 96680, 3043003, 6086006, 12172012, 15215015, 24344024, 30430030, 60860060, 121720120]

約数ペア:

[(1, 121720120), (2, 60860060), (4, 30430030), (5, 24344024), (8, 15215015), (10, 12172012), (20, 6086006), (40, 3043003), (1259, 96680), (2417, 50360), (2518, 48340), (4834, 25180), (5036, 24170), (6295, 19336), (9668, 12590), (10072, 12085)]