660080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 1583232

約数和(自身を除く): 923152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 223, 296, 370, 446, 592, 740, 892, 1115, 1480, 1784, 2230, 2960, 3568, 4460, 8251, 8920, 16502, 17840, 33004, 41255, 66008, 82510, 132016, 165020, 330040, 660080]

約数ペア:

[(1, 660080), (2, 330040), (4, 165020), (5, 132016), (8, 82510), (10, 66008), (16, 41255), (20, 33004), (37, 17840), (40, 16502), (74, 8920), (80, 8251), (148, 4460), (185, 3568), (223, 2960), (296, 2230), (370, 1784), (446, 1480), (592, 1115), (740, 892)]