51394590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 150733440

約数和(自身を除く): 99338850

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 109, 117, 130, 155, 169, 186, 195, 218, 234, 279, 310, 327, 338, 390, 403, 465, 507, 545, 558, 585, 654, 806, 845, 930, 981, 1014, 1090, 1170, 1209, 1395, 1417, 1521, 1635, 1690, 1962, 2015, 2418, 2535, 2790, 2834, 3042, 3270, 3379, 3627, 4030, 4251, 4905, 5070, 5239, 6045, 6758, 7085, 7254, 7605, 8502, 9810, 10137, 10478, 12090, 12753, 14170, 15210, 15717, 16895, 18135, 18421, 20274, 21255, 25506, 26195, 30411, 31434, 33790, 36270, 36842, 42510, 43927, 47151, 50685, 52390, 55263, 60822, 63765, 78585, 87854, 92105, 94302, 101370, 110526, 127530, 131781, 152055, 157170, 165789, 184210, 219635, 235755, 263562, 276315, 304110, 331578, 395343, 439270, 471510, 552630, 571051, 658905, 790686, 828945, 1142102, 1317810, 1657890, 1713153, 1976715, 2855255, 3426306, 3953430, 5139459, 5710510, 8565765, 10278918, 17131530, 25697295, 51394590]

約数ペア:

[(1, 51394590), (2, 25697295), (3, 17131530), (5, 10278918), (6, 8565765), (9, 5710510), (10, 5139459), (13, 3953430), (15, 3426306), (18, 2855255), (26, 1976715), (30, 1713153), (31, 1657890), (39, 1317810), (45, 1142102), (62, 828945), (65, 790686), (78, 658905), (90, 571051), (93, 552630), (109, 471510), (117, 439270), (130, 395343), (155, 331578), (169, 304110), (186, 276315), (195, 263562), (218, 235755), (234, 219635), (279, 184210), (310, 165789), (327, 157170), (338, 152055), (390, 131781), (403, 127530), (465, 110526), (507, 101370), (545, 94302), (558, 92105), (585, 87854), (654, 78585), (806, 63765), (845, 60822), (930, 55263), (981, 52390), (1014, 50685), (1090, 47151), (1170, 43927), (1209, 42510), (1395, 36842), (1417, 36270), (1521, 33790), (1635, 31434), (1690, 30411), (1962, 26195), (2015, 25506), (2418, 21255), (2535, 20274), (2790, 18421), (2834, 18135), (3042, 16895), (3270, 15717), (3379, 15210), (3627, 14170), (4030, 12753), (4251, 12090), (4905, 10478), (5070, 10137), (5239, 9810), (6045, 8502), (6758, 7605), (7085, 7254)]