210002640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{875011}}^1$

素因数の和:875027

約数の個数: 40

約数和(自身を含む): 651008928

約数和(自身を除く): 441006288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 875011, 1750022, 2625033, 3500044, 4375055, 5250066, 7000088, 8750110, 10500132, 13125165, 14000176, 17500220, 21000264, 26250330, 35000440, 42000528, 52500660, 70000880, 105001320, 210002640]

約数ペア:

[(1, 210002640), (2, 105001320), (3, 70000880), (4, 52500660), (5, 42000528), (6, 35000440), (8, 26250330), (10, 21000264), (12, 17500220), (15, 14000176), (16, 13125165), (20, 10500132), (24, 8750110), (30, 7000088), (40, 5250066), (48, 4375055), (60, 3500044), (80, 2625033), (120, 1750022), (240, 875011)]