51348880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 90070640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 43, 44, 46, 55, 59, 80, 86, 88, 92, 110, 115, 118, 172, 176, 184, 215, 220, 230, 236, 253, 295, 344, 368, 430, 440, 460, 472, 473, 506, 590, 649, 688, 860, 880, 920, 944, 946, 989, 1012, 1180, 1265, 1298, 1357, 1720, 1840, 1892, 1978, 2024, 2360, 2365, 2530, 2537, 2596, 2714, 3245, 3440, 3784, 3956, 4048, 4720, 4730, 4945, 5060, 5074, 5192, 5428, 6490, 6785, 7568, 7912, 9460, 9890, 10120, 10148, 10384, 10856, 10879, 12685, 12980, 13570, 14927, 15824, 18920, 19780, 20240, 20296, 21712, 21758, 25370, 25960, 27140, 27907, 29854, 37840, 39560, 40592, 43516, 50740, 51920, 54280, 54395, 55814, 58351, 59708, 74635, 79120, 87032, 101480, 108560, 108790, 111628, 116702, 119416, 139535, 149270, 174064, 202960, 217580, 223256, 233404, 238832, 279070, 291755, 298540, 435160, 446512, 466808, 558140, 583510, 597080, 641861, 870320, 933616, 1116280, 1167020, 1194160, 1283722, 2232560, 2334040, 2567444, 3209305, 4668080, 5134888, 6418610, 10269776, 12837220, 25674440, 51348880]

約数ペア:

[(1, 51348880), (2, 25674440), (4, 12837220), (5, 10269776), (8, 6418610), (10, 5134888), (11, 4668080), (16, 3209305), (20, 2567444), (22, 2334040), (23, 2232560), (40, 1283722), (43, 1194160), (44, 1167020), (46, 1116280), (55, 933616), (59, 870320), (80, 641861), (86, 597080), (88, 583510), (92, 558140), (110, 466808), (115, 446512), (118, 435160), (172, 298540), (176, 291755), (184, 279070), (215, 238832), (220, 233404), (230, 223256), (236, 217580), (253, 202960), (295, 174064), (344, 149270), (368, 139535), (430, 119416), (440, 116702), (460, 111628), (472, 108790), (473, 108560), (506, 101480), (590, 87032), (649, 79120), (688, 74635), (860, 59708), (880, 58351), (920, 55814), (944, 54395), (946, 54280), (989, 51920), (1012, 50740), (1180, 43516), (1265, 40592), (1298, 39560), (1357, 37840), (1720, 29854), (1840, 27907), (1892, 27140), (1978, 25960), (2024, 25370), (2360, 21758), (2365, 21712), (2530, 20296), (2537, 20240), (2596, 19780), (2714, 18920), (3245, 15824), (3440, 14927), (3784, 13570), (3956, 12980), (4048, 12685), (4720, 10879), (4730, 10856), (4945, 10384), (5060, 10148), (5074, 10120), (5192, 9890), (5428, 9460), (6490, 7912), (6785, 7568)]