51478740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:803

約数の個数: 120

約数和(自身を含む): 165469920

約数和(自身を除く): 113991180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 739, 774, 810, 860, 1161, 1290, 1478, 1548, 1620, 1935, 2217, 2322, 2580, 2956, 3483, 3695, 3870, 4434, 4644, 5805, 6651, 6966, 7390, 7740, 8868, 11085, 11610, 13302, 13932, 14780, 17415, 19953, 22170, 23220, 26604, 31777, 33255, 34830, 39906, 44340, 59859, 63554, 66510, 69660, 79812, 95331, 99765, 119718, 127108, 133020, 158885, 190662, 199530, 239436, 285993, 299295, 317770, 381324, 399060, 476655, 571986, 598590, 635540, 857979, 953310, 1143972, 1197180, 1429965, 1715958, 1906620, 2573937, 2859930, 3431916, 4289895, 5147874, 5719860, 8579790, 10295748, 12869685, 17159580, 25739370, 51478740]

約数ペア:

[(1, 51478740), (2, 25739370), (3, 17159580), (4, 12869685), (5, 10295748), (6, 8579790), (9, 5719860), (10, 5147874), (12, 4289895), (15, 3431916), (18, 2859930), (20, 2573937), (27, 1906620), (30, 1715958), (36, 1429965), (43, 1197180), (45, 1143972), (54, 953310), (60, 857979), (81, 635540), (86, 598590), (90, 571986), (108, 476655), (129, 399060), (135, 381324), (162, 317770), (172, 299295), (180, 285993), (215, 239436), (258, 199530), (270, 190662), (324, 158885), (387, 133020), (405, 127108), (430, 119718), (516, 99765), (540, 95331), (645, 79812), (739, 69660), (774, 66510), (810, 63554), (860, 59859), (1161, 44340), (1290, 39906), (1478, 34830), (1548, 33255), (1620, 31777), (1935, 26604), (2217, 23220), (2322, 22170), (2580, 19953), (2956, 17415), (3483, 14780), (3695, 13932), (3870, 13302), (4434, 11610), (4644, 11085), (5805, 8868), (6651, 7740), (6966, 7390)]