128051280

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:976

約数の個数: 240

約数和(自身を含む): 510217344

約数和(自身を除く): 382166064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 941, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1882, 1890, 1944, 2160, 2268, 2430, 2520, 2823, 2835, 3024, 3240, 3402, 3764, 3780, 3888, 4536, 4705, 4860, 5040, 5646, 5670, 6480, 6587, 6804, 7528, 7560, 8469, 8505, 9072, 9410, 9720, 11292, 11340, 13174, 13608, 14115, 15056, 15120, 16938, 17010, 18820, 19440, 19761, 22584, 22680, 25407, 26348, 27216, 28230, 32935, 33876, 34020, 37640, 39522, 42345, 45168, 45360, 50814, 52696, 56460, 59283, 65870, 67752, 68040, 75280, 76221, 79044, 84690, 98805, 101628, 105392, 112920, 118566, 127035, 131740, 135504, 136080, 152442, 158088, 169380, 177849, 197610, 203256, 225840, 228663, 237132, 254070, 263480, 296415, 304884, 316176, 338760, 355698, 381105, 395220, 406512, 457326, 474264, 508140, 526960, 533547, 592830, 609768, 677520, 711396, 762210, 790440, 889245, 914652, 948528, 1016280, 1067094, 1143315, 1185660, 1219536, 1422792, 1524420, 1580880, 1600641, 1778490, 1829304, 2032560, 2134188, 2286630, 2371320, 2667735, 2845584, 3048840, 3201282, 3556980, 3658608, 4268376, 4573260, 4742640, 5335470, 6097680, 6402564, 7113960, 8003205, 8536752, 9146520, 10670940, 12805128, 14227920, 16006410, 18293040, 21341880, 25610256, 32012820, 42683760, 64025640, 128051280]

約数ペア:

[(1, 128051280), (2, 64025640), (3, 42683760), (4, 32012820), (5, 25610256), (6, 21341880), (7, 18293040), (8, 16006410), (9, 14227920), (10, 12805128), (12, 10670940), (14, 9146520), (15, 8536752), (16, 8003205), (18, 7113960), (20, 6402564), (21, 6097680), (24, 5335470), (27, 4742640), (28, 4573260), (30, 4268376), (35, 3658608), (36, 3556980), (40, 3201282), (42, 3048840), (45, 2845584), (48, 2667735), (54, 2371320), (56, 2286630), (60, 2134188), (63, 2032560), (70, 1829304), (72, 1778490), (80, 1600641), (81, 1580880), (84, 1524420), (90, 1422792), (105, 1219536), (108, 1185660), (112, 1143315), (120, 1067094), (126, 1016280), (135, 948528), (140, 914652), (144, 889245), (162, 790440), (168, 762210), (180, 711396), (189, 677520), (210, 609768), (216, 592830), (240, 533547), (243, 526960), (252, 508140), (270, 474264), (280, 457326), (315, 406512), (324, 395220), (336, 381105), (360, 355698), (378, 338760), (405, 316176), (420, 304884), (432, 296415), (486, 263480), (504, 254070), (540, 237132), (560, 228663), (567, 225840), (630, 203256), (648, 197610), (720, 177849), (756, 169380), (810, 158088), (840, 152442), (941, 136080), (945, 135504), (972, 131740), (1008, 127035), (1080, 118566), (1134, 112920), (1215, 105392), (1260, 101628), (1296, 98805), (1512, 84690), (1620, 79044), (1680, 76221), (1701, 75280), (1882, 68040), (1890, 67752), (1944, 65870), (2160, 59283), (2268, 56460), (2430, 52696), (2520, 50814), (2823, 45360), (2835, 45168), (3024, 42345), (3240, 39522), (3402, 37640), (3764, 34020), (3780, 33876), (3888, 32935), (4536, 28230), (4705, 27216), (4860, 26348), (5040, 25407), (5646, 22680), (5670, 22584), (6480, 19761), (6587, 19440), (6804, 18820), (7528, 17010), (7560, 16938), (8469, 15120), (8505, 15056), (9072, 14115), (9410, 13608), (9720, 13174), (11292, 11340)]