71802080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64109}}^1$

素因数の和:64131

約数の個数: 48

約数和(自身を含む): 193868640

約数和(自身を除く): 122066560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64109, 128218, 256436, 320545, 448763, 512872, 641090, 897526, 1025744, 1282180, 1795052, 2051488, 2243815, 2564360, 3590104, 4487630, 5128720, 7180208, 8975260, 10257440, 14360416, 17950520, 35901040, 71802080]

約数ペア:

[(1, 71802080), (2, 35901040), (4, 17950520), (5, 14360416), (7, 10257440), (8, 8975260), (10, 7180208), (14, 5128720), (16, 4487630), (20, 3590104), (28, 2564360), (32, 2243815), (35, 2051488), (40, 1795052), (56, 1282180), (70, 1025744), (80, 897526), (112, 641090), (140, 512872), (160, 448763), (224, 320545), (280, 256436), (560, 128218), (1120, 64109)]