217131408

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 240

約数和(自身を含む): 717870720

約数和(自身を除く): 500739312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 41, 46, 48, 52, 54, 69, 72, 78, 82, 92, 104, 108, 117, 123, 138, 144, 156, 164, 184, 207, 208, 216, 234, 246, 276, 299, 312, 328, 351, 368, 369, 414, 432, 468, 492, 533, 552, 598, 621, 624, 656, 702, 738, 828, 897, 936, 943, 984, 1066, 1104, 1107, 1196, 1242, 1404, 1476, 1599, 1656, 1681, 1794, 1872, 1886, 1968, 2132, 2214, 2392, 2484, 2691, 2808, 2829, 2952, 3198, 3312, 3362, 3588, 3772, 4264, 4428, 4784, 4797, 4968, 5043, 5382, 5616, 5658, 5904, 6396, 6724, 7176, 7544, 8073, 8487, 8528, 8856, 9594, 9936, 10086, 10764, 11316, 12259, 12792, 13448, 14352, 14391, 15088, 15129, 16146, 16974, 17712, 19188, 20172, 21528, 21853, 22632, 24518, 25461, 25584, 26896, 28782, 30258, 32292, 33948, 36777, 38376, 38663, 40344, 43056, 43706, 45264, 45387, 49036, 50922, 57564, 60516, 64584, 65559, 67896, 73554, 76752, 77326, 80688, 87412, 90774, 98072, 101844, 110331, 115128, 115989, 121032, 129168, 131118, 135792, 147108, 154652, 174824, 181548, 196144, 196677, 203688, 220662, 230256, 231978, 242064, 262236, 294216, 309304, 330993, 347967, 349648, 363096, 393354, 407376, 441324, 463956, 502619, 524472, 588432, 590031, 618608, 661986, 695934, 726192, 786708, 882648, 927912, 1005238, 1043901, 1048944, 1180062, 1323972, 1391868, 1507857, 1573416, 1765296, 1855824, 2010476, 2087802, 2360124, 2647944, 2783736, 3015714, 3146832, 4020952, 4175604, 4523571, 4720248, 5295888, 5567472, 6031428, 8041904, 8351208, 9047142, 9440496, 12062856, 13570713, 16702416, 18094284, 24125712, 27141426, 36188568, 54282852, 72377136, 108565704, 217131408]

約数ペア:

[(1, 217131408), (2, 108565704), (3, 72377136), (4, 54282852), (6, 36188568), (8, 27141426), (9, 24125712), (12, 18094284), (13, 16702416), (16, 13570713), (18, 12062856), (23, 9440496), (24, 9047142), (26, 8351208), (27, 8041904), (36, 6031428), (39, 5567472), (41, 5295888), (46, 4720248), (48, 4523571), (52, 4175604), (54, 4020952), (69, 3146832), (72, 3015714), (78, 2783736), (82, 2647944), (92, 2360124), (104, 2087802), (108, 2010476), (117, 1855824), (123, 1765296), (138, 1573416), (144, 1507857), (156, 1391868), (164, 1323972), (184, 1180062), (207, 1048944), (208, 1043901), (216, 1005238), (234, 927912), (246, 882648), (276, 786708), (299, 726192), (312, 695934), (328, 661986), (351, 618608), (368, 590031), (369, 588432), (414, 524472), (432, 502619), (468, 463956), (492, 441324), (533, 407376), (552, 393354), (598, 363096), (621, 349648), (624, 347967), (656, 330993), (702, 309304), (738, 294216), (828, 262236), (897, 242064), (936, 231978), (943, 230256), (984, 220662), (1066, 203688), (1104, 196677), (1107, 196144), (1196, 181548), (1242, 174824), (1404, 154652), (1476, 147108), (1599, 135792), (1656, 131118), (1681, 129168), (1794, 121032), (1872, 115989), (1886, 115128), (1968, 110331), (2132, 101844), (2214, 98072), (2392, 90774), (2484, 87412), (2691, 80688), (2808, 77326), (2829, 76752), (2952, 73554), (3198, 67896), (3312, 65559), (3362, 64584), (3588, 60516), (3772, 57564), (4264, 50922), (4428, 49036), (4784, 45387), (4797, 45264), (4968, 43706), (5043, 43056), (5382, 40344), (5616, 38663), (5658, 38376), (5904, 36777), (6396, 33948), (6724, 32292), (7176, 30258), (7544, 28782), (8073, 26896), (8487, 25584), (8528, 25461), (8856, 24518), (9594, 22632), (9936, 21853), (10086, 21528), (10764, 20172), (11316, 19188), (12259, 17712), (12792, 16974), (13448, 16146), (14352, 15129), (14391, 15088)]