151640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 362880

約数和(自身を除く): 211240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 446, 680, 892, 1115, 1784, 2230, 3791, 4460, 7582, 8920, 15164, 18955, 30328, 37910, 75820, 151640]

約数ペア:

[(1, 151640), (2, 75820), (4, 37910), (5, 30328), (8, 18955), (10, 15164), (17, 8920), (20, 7582), (34, 4460), (40, 3791), (68, 2230), (85, 1784), (136, 1115), (170, 892), (223, 680), (340, 446)]