31330920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 94648320

約数和(自身を除く): 63317400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1663, 1884, 2355, 3140, 3326, 3768, 4710, 4989, 6280, 6652, 8315, 9420, 9978, 13304, 16630, 18840, 19956, 24945, 33260, 39912, 49890, 66520, 99780, 199560, 261091, 522182, 783273, 1044364, 1305455, 1566546, 2088728, 2610910, 3133092, 3916365, 5221820, 6266184, 7832730, 10443640, 15665460, 31330920]

約数ペア:

[(1, 31330920), (2, 15665460), (3, 10443640), (4, 7832730), (5, 6266184), (6, 5221820), (8, 3916365), (10, 3133092), (12, 2610910), (15, 2088728), (20, 1566546), (24, 1305455), (30, 1044364), (40, 783273), (60, 522182), (120, 261091), (157, 199560), (314, 99780), (471, 66520), (628, 49890), (785, 39912), (942, 33260), (1256, 24945), (1570, 19956), (1663, 18840), (1884, 16630), (2355, 13304), (3140, 9978), (3326, 9420), (3768, 8315), (4710, 6652), (4989, 6280)]