51649740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16879}}^1$

素因数の和:16911

約数の個数: 72

約数和(自身を含む): 165896640

約数和(自身を除く): 114246900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16879, 33758, 50637, 67516, 84395, 101274, 151911, 168790, 202548, 253185, 286943, 303822, 337580, 506370, 573886, 607644, 759555, 860829, 1012740, 1147772, 1434715, 1519110, 1721658, 2582487, 2869430, 3038220, 3443316, 4304145, 5164974, 5738860, 8608290, 10329948, 12912435, 17216580, 25824870, 51649740]

約数ペア:

[(1, 51649740), (2, 25824870), (3, 17216580), (4, 12912435), (5, 10329948), (6, 8608290), (9, 5738860), (10, 5164974), (12, 4304145), (15, 3443316), (17, 3038220), (18, 2869430), (20, 2582487), (30, 1721658), (34, 1519110), (36, 1434715), (45, 1147772), (51, 1012740), (60, 860829), (68, 759555), (85, 607644), (90, 573886), (102, 506370), (153, 337580), (170, 303822), (180, 286943), (204, 253185), (255, 202548), (306, 168790), (340, 151911), (510, 101274), (612, 84395), (765, 67516), (1020, 50637), (1530, 33758), (3060, 16879)]