51001440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 188407296

約数和(自身を除く): 137405856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 160, 168, 172, 210, 215, 224, 240, 258, 280, 301, 336, 344, 353, 420, 430, 480, 516, 560, 602, 645, 672, 688, 706, 840, 860, 903, 1032, 1059, 1120, 1204, 1290, 1376, 1412, 1505, 1680, 1720, 1765, 1806, 2064, 2118, 2408, 2471, 2580, 2824, 3010, 3360, 3440, 3530, 3612, 4128, 4236, 4515, 4816, 4942, 5160, 5295, 5648, 6020, 6880, 7060, 7224, 7413, 8472, 9030, 9632, 9884, 10320, 10590, 11296, 12040, 12355, 14120, 14448, 14826, 15179, 16944, 18060, 19768, 20640, 21180, 24080, 24710, 28240, 28896, 29652, 30358, 33888, 36120, 37065, 39536, 42360, 45537, 48160, 49420, 56480, 59304, 60716, 72240, 74130, 75895, 79072, 84720, 91074, 98840, 106253, 118608, 121432, 144480, 148260, 151790, 169440, 182148, 197680, 212506, 227685, 237216, 242864, 296520, 303580, 318759, 364296, 395360, 425012, 455370, 485728, 531265, 593040, 607160, 637518, 728592, 850024, 910740, 1062530, 1186080, 1214320, 1275036, 1457184, 1593795, 1700048, 1821480, 2125060, 2428640, 2550072, 3187590, 3400096, 3642960, 4250120, 5100144, 6375180, 7285920, 8500240, 10200288, 12750360, 17000480, 25500720, 51001440]

約数ペア:

[(1, 51001440), (2, 25500720), (3, 17000480), (4, 12750360), (5, 10200288), (6, 8500240), (7, 7285920), (8, 6375180), (10, 5100144), (12, 4250120), (14, 3642960), (15, 3400096), (16, 3187590), (20, 2550072), (21, 2428640), (24, 2125060), (28, 1821480), (30, 1700048), (32, 1593795), (35, 1457184), (40, 1275036), (42, 1214320), (43, 1186080), (48, 1062530), (56, 910740), (60, 850024), (70, 728592), (80, 637518), (84, 607160), (86, 593040), (96, 531265), (105, 485728), (112, 455370), (120, 425012), (129, 395360), (140, 364296), (160, 318759), (168, 303580), (172, 296520), (210, 242864), (215, 237216), (224, 227685), (240, 212506), (258, 197680), (280, 182148), (301, 169440), (336, 151790), (344, 148260), (353, 144480), (420, 121432), (430, 118608), (480, 106253), (516, 98840), (560, 91074), (602, 84720), (645, 79072), (672, 75895), (688, 74130), (706, 72240), (840, 60716), (860, 59304), (903, 56480), (1032, 49420), (1059, 48160), (1120, 45537), (1204, 42360), (1290, 39536), (1376, 37065), (1412, 36120), (1505, 33888), (1680, 30358), (1720, 29652), (1765, 28896), (1806, 28240), (2064, 24710), (2118, 24080), (2408, 21180), (2471, 20640), (2580, 19768), (2824, 18060), (3010, 16944), (3360, 15179), (3440, 14826), (3530, 14448), (3612, 14120), (4128, 12355), (4236, 12040), (4515, 11296), (4816, 10590), (4942, 10320), (5160, 9884), (5295, 9632), (5648, 9030), (6020, 8472), (6880, 7413), (7060, 7224)]