820025856

素因数分解:

$2^9\times 3^6\times {\mathrm{13}}^3$

素因数の和:75

約数の個数: 280

約数和(自身を含む): 2661170820

約数和(自身を除く): 1841144964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 169, 192, 208, 216, 234, 243, 256, 288, 312, 324, 338, 351, 384, 416, 432, 468, 486, 507, 512, 576, 624, 648, 676, 702, 729, 768, 832, 864, 936, 972, 1014, 1053, 1152, 1248, 1296, 1352, 1404, 1458, 1521, 1536, 1664, 1728, 1872, 1944, 2028, 2106, 2197, 2304, 2496, 2592, 2704, 2808, 2916, 3042, 3159, 3328, 3456, 3744, 3888, 4056, 4212, 4394, 4563, 4608, 4992, 5184, 5408, 5616, 5832, 6084, 6318, 6591, 6656, 6912, 7488, 7776, 8112, 8424, 8788, 9126, 9477, 9984, 10368, 10816, 11232, 11664, 12168, 12636, 13182, 13689, 13824, 14976, 15552, 16224, 16848, 17576, 18252, 18954, 19773, 19968, 20736, 21632, 22464, 23328, 24336, 25272, 26364, 27378, 29952, 31104, 32448, 33696, 35152, 36504, 37908, 39546, 41067, 41472, 43264, 44928, 46656, 48672, 50544, 52728, 54756, 59319, 59904, 62208, 64896, 67392, 70304, 73008, 75816, 79092, 82134, 86528, 89856, 93312, 97344, 101088, 105456, 109512, 118638, 123201, 124416, 129792, 134784, 140608, 146016, 151632, 158184, 164268, 177957, 179712, 186624, 194688, 202176, 210912, 219024, 237276, 246402, 259584, 269568, 281216, 292032, 303264, 316368, 328536, 355914, 373248, 389376, 404352, 421824, 438048, 474552, 492804, 533871, 539136, 562432, 584064, 606528, 632736, 657072, 711828, 778752, 808704, 843648, 876096, 949104, 985608, 1067742, 1124864, 1168128, 1213056, 1265472, 1314144, 1423656, 1601613, 1617408, 1687296, 1752192, 1898208, 1971216, 2135484, 2336256, 2426112, 2530944, 2628288, 2847312, 3203226, 3374592, 3504384, 3796416, 3942432, 4270968, 4852224, 5061888, 5256576, 5694624, 6406452, 7008768, 7592832, 7884864, 8541936, 10123776, 10513152, 11389248, 12812904, 15185664, 15769728, 17083872, 21026304, 22778496, 25625808, 30371328, 31539456, 34167744, 45556992, 51251616, 63078912, 68335488, 91113984, 102503232, 136670976, 205006464, 273341952, 410012928, 820025856]

約数ペア:

[(1, 820025856), (2, 410012928), (3, 273341952), (4, 205006464), (6, 136670976), (8, 102503232), (9, 91113984), (12, 68335488), (13, 63078912), (16, 51251616), (18, 45556992), (24, 34167744), (26, 31539456), (27, 30371328), (32, 25625808), (36, 22778496), (39, 21026304), (48, 17083872), (52, 15769728), (54, 15185664), (64, 12812904), (72, 11389248), (78, 10513152), (81, 10123776), (96, 8541936), (104, 7884864), (108, 7592832), (117, 7008768), (128, 6406452), (144, 5694624), (156, 5256576), (162, 5061888), (169, 4852224), (192, 4270968), (208, 3942432), (216, 3796416), (234, 3504384), (243, 3374592), (256, 3203226), (288, 2847312), (312, 2628288), (324, 2530944), (338, 2426112), (351, 2336256), (384, 2135484), (416, 1971216), (432, 1898208), (468, 1752192), (486, 1687296), (507, 1617408), (512, 1601613), (576, 1423656), (624, 1314144), (648, 1265472), (676, 1213056), (702, 1168128), (729, 1124864), (768, 1067742), (832, 985608), (864, 949104), (936, 876096), (972, 843648), (1014, 808704), (1053, 778752), (1152, 711828), (1248, 657072), (1296, 632736), (1352, 606528), (1404, 584064), (1458, 562432), (1521, 539136), (1536, 533871), (1664, 492804), (1728, 474552), (1872, 438048), (1944, 421824), (2028, 404352), (2106, 389376), (2197, 373248), (2304, 355914), (2496, 328536), (2592, 316368), (2704, 303264), (2808, 292032), (2916, 281216), (3042, 269568), (3159, 259584), (3328, 246402), (3456, 237276), (3744, 219024), (3888, 210912), (4056, 202176), (4212, 194688), (4394, 186624), (4563, 179712), (4608, 177957), (4992, 164268), (5184, 158184), (5408, 151632), (5616, 146016), (5832, 140608), (6084, 134784), (6318, 129792), (6591, 124416), (6656, 123201), (6912, 118638), (7488, 109512), (7776, 105456), (8112, 101088), (8424, 97344), (8788, 93312), (9126, 89856), (9477, 86528), (9984, 82134), (10368, 79092), (10816, 75816), (11232, 73008), (11664, 70304), (12168, 67392), (12636, 64896), (13182, 62208), (13689, 59904), (13824, 59319), (14976, 54756), (15552, 52728), (16224, 50544), (16848, 48672), (17576, 46656), (18252, 44928), (18954, 43264), (19773, 41472), (19968, 41067), (20736, 39546), (21632, 37908), (22464, 36504), (23328, 35152), (24336, 33696), (25272, 32448), (26364, 31104), (27378, 29952)]