40140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 122304

約数和(自身を除く): 82164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 13380, 20070, 40140]

約数ペア:

[(1, 40140), (2, 20070), (3, 13380), (4, 10035), (5, 8028), (6, 6690), (9, 4460), (10, 4014), (12, 3345), (15, 2676), (18, 2230), (20, 2007), (30, 1338), (36, 1115), (45, 892), (60, 669), (90, 446), (180, 223)]