278317728

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 889056000

約数和(自身を除く): 610738272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 71, 72, 78, 96, 104, 108, 117, 142, 144, 156, 208, 213, 216, 234, 284, 288, 312, 349, 351, 416, 426, 432, 468, 568, 624, 639, 698, 702, 852, 864, 923, 936, 1047, 1136, 1248, 1278, 1396, 1404, 1704, 1846, 1872, 1917, 2094, 2272, 2556, 2769, 2792, 2808, 3141, 3408, 3692, 3744, 3834, 4188, 4537, 5112, 5538, 5584, 5616, 6282, 6816, 7384, 7668, 8307, 8376, 9074, 9423, 10224, 11076, 11168, 11232, 12564, 13611, 14768, 15336, 16614, 16752, 18148, 18846, 20448, 22152, 24779, 24921, 25128, 27222, 29536, 30672, 33228, 33504, 36296, 37692, 40833, 44304, 49558, 49842, 50256, 54444, 61344, 66456, 72592, 74337, 75384, 81666, 88608, 99116, 99684, 100512, 108888, 122499, 132912, 145184, 148674, 150768, 163332, 198232, 199368, 217776, 223011, 244998, 265824, 297348, 301536, 322127, 326664, 396464, 398736, 435552, 446022, 489996, 594696, 644254, 653328, 669033, 792928, 797472, 892044, 966381, 979992, 1189392, 1288508, 1306656, 1338066, 1784088, 1932762, 1959984, 2378784, 2577016, 2676132, 2899143, 3568176, 3865524, 3919968, 5154032, 5352264, 5798286, 7136352, 7731048, 8697429, 10308064, 10704528, 11596572, 15462096, 17394858, 21409056, 23193144, 30924192, 34789716, 46386288, 69579432, 92772576, 139158864, 278317728]

約数ペア:

[(1, 278317728), (2, 139158864), (3, 92772576), (4, 69579432), (6, 46386288), (8, 34789716), (9, 30924192), (12, 23193144), (13, 21409056), (16, 17394858), (18, 15462096), (24, 11596572), (26, 10704528), (27, 10308064), (32, 8697429), (36, 7731048), (39, 7136352), (48, 5798286), (52, 5352264), (54, 5154032), (71, 3919968), (72, 3865524), (78, 3568176), (96, 2899143), (104, 2676132), (108, 2577016), (117, 2378784), (142, 1959984), (144, 1932762), (156, 1784088), (208, 1338066), (213, 1306656), (216, 1288508), (234, 1189392), (284, 979992), (288, 966381), (312, 892044), (349, 797472), (351, 792928), (416, 669033), (426, 653328), (432, 644254), (468, 594696), (568, 489996), (624, 446022), (639, 435552), (698, 398736), (702, 396464), (852, 326664), (864, 322127), (923, 301536), (936, 297348), (1047, 265824), (1136, 244998), (1248, 223011), (1278, 217776), (1396, 199368), (1404, 198232), (1704, 163332), (1846, 150768), (1872, 148674), (1917, 145184), (2094, 132912), (2272, 122499), (2556, 108888), (2769, 100512), (2792, 99684), (2808, 99116), (3141, 88608), (3408, 81666), (3692, 75384), (3744, 74337), (3834, 72592), (4188, 66456), (4537, 61344), (5112, 54444), (5538, 50256), (5584, 49842), (5616, 49558), (6282, 44304), (6816, 40833), (7384, 37692), (7668, 36296), (8307, 33504), (8376, 33228), (9074, 30672), (9423, 29536), (10224, 27222), (11076, 25128), (11168, 24921), (11232, 24779), (12564, 22152), (13611, 20448), (14768, 18846), (15336, 18148), (16614, 16752)]