31483740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12203}}^1$

素因数の和:12258

約数の個数: 48

約数和(自身を含む): 90211968

約数和(自身を除く): 58728228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 12203, 24406, 36609, 48812, 61015, 73218, 122030, 146436, 183045, 244060, 366090, 524729, 732180, 1049458, 1574187, 2098916, 2623645, 3148374, 5247290, 6296748, 7870935, 10494580, 15741870, 31483740]

約数ペア:

[(1, 31483740), (2, 15741870), (3, 10494580), (4, 7870935), (5, 6296748), (6, 5247290), (10, 3148374), (12, 2623645), (15, 2098916), (20, 1574187), (30, 1049458), (43, 732180), (60, 524729), (86, 366090), (129, 244060), (172, 183045), (215, 146436), (258, 122030), (430, 73218), (516, 61015), (645, 48812), (860, 36609), (1290, 24406), (2580, 12203)]