261967608

素因数分解:

$2^3\times 3^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 906946560

約数和(自身を除く): 644978952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 31, 36, 42, 46, 54, 56, 62, 63, 69, 72, 81, 84, 92, 93, 108, 124, 126, 138, 161, 162, 168, 184, 186, 189, 207, 216, 217, 243, 248, 252, 276, 279, 322, 324, 372, 378, 414, 434, 483, 486, 504, 552, 558, 567, 621, 644, 648, 651, 713, 729, 744, 756, 828, 837, 868, 966, 972, 1116, 1134, 1242, 1288, 1302, 1426, 1449, 1458, 1512, 1656, 1674, 1701, 1736, 1863, 1932, 1944, 1953, 2139, 2187, 2232, 2268, 2484, 2511, 2604, 2852, 2898, 2916, 3348, 3402, 3726, 3864, 3906, 4278, 4347, 4374, 4536, 4968, 4991, 5022, 5103, 5208, 5589, 5704, 5796, 5832, 5859, 6417, 6561, 6696, 6804, 7452, 7533, 7812, 8556, 8694, 8748, 9982, 10044, 10206, 11178, 11592, 11718, 12834, 13041, 13122, 13608, 14904, 14973, 15066, 15309, 15624, 16767, 17112, 17388, 17496, 17577, 19251, 19964, 20088, 20412, 22356, 22599, 23436, 25668, 26082, 26244, 29946, 30132, 30618, 33534, 34776, 35154, 38502, 39123, 39928, 40824, 44712, 44919, 45198, 45927, 46872, 50301, 51336, 52164, 52488, 52731, 57753, 59892, 60264, 61236, 67068, 67797, 70308, 77004, 78246, 89838, 90396, 91854, 100602, 104328, 105462, 115506, 117369, 119784, 122472, 134136, 134757, 135594, 140616, 150903, 154008, 156492, 158193, 173259, 179676, 180792, 183708, 201204, 203391, 210924, 231012, 234738, 269514, 271188, 301806, 312984, 316386, 346518, 352107, 359352, 367416, 402408, 404271, 406782, 421848, 462024, 469476, 474579, 519777, 539028, 542376, 603612, 632772, 693036, 704214, 808542, 813564, 938952, 949158, 1039554, 1056321, 1078056, 1207224, 1212813, 1265544, 1386072, 1408428, 1423737, 1559331, 1617084, 1627128, 1898316, 2079108, 2112642, 2425626, 2816856, 2847474, 3118662, 3234168, 3638439, 3796632, 4158216, 4225284, 4677993, 4851252, 5694948, 6237324, 7276878, 8450568, 9355986, 9702504, 10915317, 11389896, 12474648, 14553756, 18711972, 21830634, 29107512, 32745951, 37423944, 43661268, 65491902, 87322536, 130983804, 261967608]

約数ペア:

[(1, 261967608), (2, 130983804), (3, 87322536), (4, 65491902), (6, 43661268), (7, 37423944), (8, 32745951), (9, 29107512), (12, 21830634), (14, 18711972), (18, 14553756), (21, 12474648), (23, 11389896), (24, 10915317), (27, 9702504), (28, 9355986), (31, 8450568), (36, 7276878), (42, 6237324), (46, 5694948), (54, 4851252), (56, 4677993), (62, 4225284), (63, 4158216), (69, 3796632), (72, 3638439), (81, 3234168), (84, 3118662), (92, 2847474), (93, 2816856), (108, 2425626), (124, 2112642), (126, 2079108), (138, 1898316), (161, 1627128), (162, 1617084), (168, 1559331), (184, 1423737), (186, 1408428), (189, 1386072), (207, 1265544), (216, 1212813), (217, 1207224), (243, 1078056), (248, 1056321), (252, 1039554), (276, 949158), (279, 938952), (322, 813564), (324, 808542), (372, 704214), (378, 693036), (414, 632772), (434, 603612), (483, 542376), (486, 539028), (504, 519777), (552, 474579), (558, 469476), (567, 462024), (621, 421848), (644, 406782), (648, 404271), (651, 402408), (713, 367416), (729, 359352), (744, 352107), (756, 346518), (828, 316386), (837, 312984), (868, 301806), (966, 271188), (972, 269514), (1116, 234738), (1134, 231012), (1242, 210924), (1288, 203391), (1302, 201204), (1426, 183708), (1449, 180792), (1458, 179676), (1512, 173259), (1656, 158193), (1674, 156492), (1701, 154008), (1736, 150903), (1863, 140616), (1932, 135594), (1944, 134757), (1953, 134136), (2139, 122472), (2187, 119784), (2232, 117369), (2268, 115506), (2484, 105462), (2511, 104328), (2604, 100602), (2852, 91854), (2898, 90396), (2916, 89838), (3348, 78246), (3402, 77004), (3726, 70308), (3864, 67797), (3906, 67068), (4278, 61236), (4347, 60264), (4374, 59892), (4536, 57753), (4968, 52731), (4991, 52488), (5022, 52164), (5103, 51336), (5208, 50301), (5589, 46872), (5704, 45927), (5796, 45198), (5832, 44919), (5859, 44712), (6417, 40824), (6561, 39928), (6696, 39123), (6804, 38502), (7452, 35154), (7533, 34776), (7812, 33534), (8556, 30618), (8694, 30132), (8748, 29946), (9982, 26244), (10044, 26082), (10206, 25668), (11178, 23436), (11592, 22599), (11718, 22356), (12834, 20412), (13041, 20088), (13122, 19964), (13608, 19251), (14904, 17577), (14973, 17496), (15066, 17388), (15309, 17112), (15624, 16767)]