30949740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 94632720

約数和(自身を除く): 63682980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1237, 1251, 1390, 1668, 2085, 2474, 2502, 2780, 3711, 4170, 4948, 5004, 6185, 6255, 7422, 8340, 11133, 12370, 12510, 14844, 18555, 22266, 24740, 25020, 37110, 44532, 55665, 74220, 111330, 171943, 222660, 343886, 515829, 687772, 859715, 1031658, 1547487, 1719430, 2063316, 2579145, 3094974, 3438860, 5158290, 6189948, 7737435, 10316580, 15474870, 30949740]

約数ペア:

[(1, 30949740), (2, 15474870), (3, 10316580), (4, 7737435), (5, 6189948), (6, 5158290), (9, 3438860), (10, 3094974), (12, 2579145), (15, 2063316), (18, 1719430), (20, 1547487), (30, 1031658), (36, 859715), (45, 687772), (60, 515829), (90, 343886), (139, 222660), (180, 171943), (278, 111330), (417, 74220), (556, 55665), (695, 44532), (834, 37110), (1237, 25020), (1251, 24740), (1390, 22266), (1668, 18555), (2085, 14844), (2474, 12510), (2502, 12370), (2780, 11133), (3711, 8340), (4170, 7422), (4948, 6255), (5004, 6185)]