263631888

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 240

約数和(自身を含む): 860480640

約数和(自身を除く): 596848752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 46, 48, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 144, 156, 157, 169, 184, 207, 208, 216, 234, 276, 299, 312, 314, 338, 351, 368, 414, 432, 468, 471, 507, 552, 598, 621, 624, 628, 676, 702, 828, 897, 936, 942, 1014, 1104, 1196, 1242, 1256, 1352, 1404, 1413, 1521, 1656, 1794, 1872, 1884, 2028, 2041, 2392, 2484, 2512, 2691, 2704, 2808, 2826, 3042, 3312, 3588, 3611, 3768, 3887, 4056, 4082, 4239, 4563, 4784, 4968, 5382, 5616, 5652, 6084, 6123, 7176, 7222, 7536, 7774, 8073, 8112, 8164, 8478, 9126, 9936, 10764, 10833, 11304, 11661, 12168, 12246, 14352, 14444, 15548, 16146, 16328, 16956, 18252, 18369, 21528, 21666, 22608, 23322, 24336, 24492, 26533, 28888, 31096, 32292, 32499, 32656, 33912, 34983, 36504, 36738, 43056, 43332, 46644, 46943, 48984, 53066, 55107, 57776, 62192, 64584, 64998, 67824, 69966, 73008, 73476, 79599, 86664, 93288, 93886, 97497, 97968, 104949, 106132, 110214, 129168, 129996, 139932, 140829, 146952, 159198, 173328, 186576, 187772, 194994, 209898, 212264, 220428, 238797, 259992, 279864, 281658, 293904, 318396, 375544, 389988, 419796, 422487, 424528, 440856, 477594, 519984, 559728, 563316, 610259, 636792, 716391, 751088, 779976, 839592, 844974, 881712, 955188, 1126632, 1220518, 1267461, 1273584, 1432782, 1559952, 1679184, 1689948, 1830777, 1910376, 2253264, 2441036, 2534922, 2865564, 3379896, 3661554, 3820752, 4882072, 5069844, 5492331, 5731128, 6759792, 7323108, 9764144, 10139688, 10984662, 11462256, 14646216, 16476993, 20279376, 21969324, 29292432, 32953986, 43938648, 65907972, 87877296, 131815944, 263631888]

約数ペア:

[(1, 263631888), (2, 131815944), (3, 87877296), (4, 65907972), (6, 43938648), (8, 32953986), (9, 29292432), (12, 21969324), (13, 20279376), (16, 16476993), (18, 14646216), (23, 11462256), (24, 10984662), (26, 10139688), (27, 9764144), (36, 7323108), (39, 6759792), (46, 5731128), (48, 5492331), (52, 5069844), (54, 4882072), (69, 3820752), (72, 3661554), (78, 3379896), (92, 2865564), (104, 2534922), (108, 2441036), (117, 2253264), (138, 1910376), (144, 1830777), (156, 1689948), (157, 1679184), (169, 1559952), (184, 1432782), (207, 1273584), (208, 1267461), (216, 1220518), (234, 1126632), (276, 955188), (299, 881712), (312, 844974), (314, 839592), (338, 779976), (351, 751088), (368, 716391), (414, 636792), (432, 610259), (468, 563316), (471, 559728), (507, 519984), (552, 477594), (598, 440856), (621, 424528), (624, 422487), (628, 419796), (676, 389988), (702, 375544), (828, 318396), (897, 293904), (936, 281658), (942, 279864), (1014, 259992), (1104, 238797), (1196, 220428), (1242, 212264), (1256, 209898), (1352, 194994), (1404, 187772), (1413, 186576), (1521, 173328), (1656, 159198), (1794, 146952), (1872, 140829), (1884, 139932), (2028, 129996), (2041, 129168), (2392, 110214), (2484, 106132), (2512, 104949), (2691, 97968), (2704, 97497), (2808, 93886), (2826, 93288), (3042, 86664), (3312, 79599), (3588, 73476), (3611, 73008), (3768, 69966), (3887, 67824), (4056, 64998), (4082, 64584), (4239, 62192), (4563, 57776), (4784, 55107), (4968, 53066), (5382, 48984), (5616, 46943), (5652, 46644), (6084, 43332), (6123, 43056), (7176, 36738), (7222, 36504), (7536, 34983), (7774, 33912), (8073, 32656), (8112, 32499), (8164, 32292), (8478, 31096), (9126, 28888), (9936, 26533), (10764, 24492), (10833, 24336), (11304, 23322), (11661, 22608), (12168, 21666), (12246, 21528), (14352, 18369), (14444, 18252), (15548, 16956), (16146, 16328)]