51463260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 163843680

約数和(自身を除く): 112380420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 109, 122, 129, 172, 180, 183, 215, 218, 244, 258, 305, 327, 366, 387, 430, 436, 516, 545, 549, 610, 645, 654, 732, 774, 860, 915, 981, 1090, 1098, 1220, 1290, 1308, 1548, 1635, 1830, 1935, 1962, 2180, 2196, 2580, 2623, 2745, 3270, 3660, 3870, 3924, 4687, 4905, 5246, 5490, 6540, 6649, 7740, 7869, 9374, 9810, 10492, 10980, 13115, 13298, 14061, 15738, 18748, 19620, 19947, 23435, 23607, 26230, 26596, 28122, 31476, 33245, 39345, 39894, 42183, 46870, 47214, 52460, 56244, 59841, 66490, 70305, 78690, 79788, 84366, 93740, 94428, 99735, 118035, 119682, 132980, 140610, 157380, 168732, 199470, 210915, 236070, 239364, 281220, 285907, 299205, 398940, 421830, 472140, 571814, 598410, 843660, 857721, 1143628, 1196820, 1429535, 1715442, 2573163, 2859070, 3430884, 4288605, 5146326, 5718140, 8577210, 10292652, 12865815, 17154420, 25731630, 51463260]

約数ペア:

[(1, 51463260), (2, 25731630), (3, 17154420), (4, 12865815), (5, 10292652), (6, 8577210), (9, 5718140), (10, 5146326), (12, 4288605), (15, 3430884), (18, 2859070), (20, 2573163), (30, 1715442), (36, 1429535), (43, 1196820), (45, 1143628), (60, 857721), (61, 843660), (86, 598410), (90, 571814), (109, 472140), (122, 421830), (129, 398940), (172, 299205), (180, 285907), (183, 281220), (215, 239364), (218, 236070), (244, 210915), (258, 199470), (305, 168732), (327, 157380), (366, 140610), (387, 132980), (430, 119682), (436, 118035), (516, 99735), (545, 94428), (549, 93740), (610, 84366), (645, 79788), (654, 78690), (732, 70305), (774, 66490), (860, 59841), (915, 56244), (981, 52460), (1090, 47214), (1098, 46870), (1220, 42183), (1290, 39894), (1308, 39345), (1548, 33245), (1635, 31476), (1830, 28122), (1935, 26596), (1962, 26230), (2180, 23607), (2196, 23435), (2580, 19947), (2623, 19620), (2745, 18748), (3270, 15738), (3660, 14061), (3870, 13298), (3924, 13115), (4687, 10980), (4905, 10492), (5246, 9810), (5490, 9374), (6540, 7869), (6649, 7740)]