131178528

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 240

約数和(自身を含む): 441829080

約数和(自身を除く): 310650552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 81, 96, 102, 104, 108, 117, 136, 144, 153, 156, 162, 204, 208, 216, 221, 229, 234, 272, 288, 306, 312, 324, 351, 408, 416, 432, 442, 458, 459, 468, 544, 612, 624, 648, 663, 687, 702, 816, 864, 884, 916, 918, 936, 1053, 1224, 1248, 1296, 1326, 1374, 1377, 1404, 1632, 1768, 1832, 1836, 1872, 1989, 2061, 2106, 2448, 2592, 2652, 2748, 2754, 2808, 2977, 3536, 3664, 3672, 3744, 3893, 3978, 4122, 4212, 4896, 5304, 5496, 5508, 5616, 5954, 5967, 6183, 7072, 7328, 7344, 7786, 7956, 8244, 8424, 8931, 10608, 10992, 11016, 11232, 11679, 11908, 11934, 12366, 14688, 15572, 15912, 16488, 16848, 17862, 17901, 18549, 21216, 21984, 22032, 23358, 23816, 23868, 24732, 26793, 31144, 31824, 32976, 33696, 35037, 35724, 35802, 37098, 44064, 46716, 47632, 47736, 49464, 50609, 53586, 62288, 63648, 65952, 70074, 71448, 71604, 74196, 80379, 93432, 95264, 95472, 98928, 101218, 105111, 107172, 124576, 140148, 142896, 143208, 148392, 151827, 160758, 186864, 190944, 197856, 202436, 210222, 214344, 241137, 280296, 285792, 286416, 296784, 303654, 315333, 321516, 373728, 404872, 420444, 428688, 455481, 482274, 560592, 572832, 593568, 607308, 630666, 643032, 809744, 840888, 857376, 910962, 964548, 1121184, 1214616, 1261332, 1286064, 1366443, 1619488, 1681776, 1821924, 1929096, 2429232, 2522664, 2572128, 2732886, 3363552, 3643848, 3858192, 4099329, 4858464, 5045328, 5465772, 7287696, 7716384, 8198658, 10090656, 10931544, 14575392, 16397316, 21863088, 32794632, 43726176, 65589264, 131178528]

約数ペア:

[(1, 131178528), (2, 65589264), (3, 43726176), (4, 32794632), (6, 21863088), (8, 16397316), (9, 14575392), (12, 10931544), (13, 10090656), (16, 8198658), (17, 7716384), (18, 7287696), (24, 5465772), (26, 5045328), (27, 4858464), (32, 4099329), (34, 3858192), (36, 3643848), (39, 3363552), (48, 2732886), (51, 2572128), (52, 2522664), (54, 2429232), (68, 1929096), (72, 1821924), (78, 1681776), (81, 1619488), (96, 1366443), (102, 1286064), (104, 1261332), (108, 1214616), (117, 1121184), (136, 964548), (144, 910962), (153, 857376), (156, 840888), (162, 809744), (204, 643032), (208, 630666), (216, 607308), (221, 593568), (229, 572832), (234, 560592), (272, 482274), (288, 455481), (306, 428688), (312, 420444), (324, 404872), (351, 373728), (408, 321516), (416, 315333), (432, 303654), (442, 296784), (458, 286416), (459, 285792), (468, 280296), (544, 241137), (612, 214344), (624, 210222), (648, 202436), (663, 197856), (687, 190944), (702, 186864), (816, 160758), (864, 151827), (884, 148392), (916, 143208), (918, 142896), (936, 140148), (1053, 124576), (1224, 107172), (1248, 105111), (1296, 101218), (1326, 98928), (1374, 95472), (1377, 95264), (1404, 93432), (1632, 80379), (1768, 74196), (1832, 71604), (1836, 71448), (1872, 70074), (1989, 65952), (2061, 63648), (2106, 62288), (2448, 53586), (2592, 50609), (2652, 49464), (2748, 47736), (2754, 47632), (2808, 46716), (2977, 44064), (3536, 37098), (3664, 35802), (3672, 35724), (3744, 35037), (3893, 33696), (3978, 32976), (4122, 31824), (4212, 31144), (4896, 26793), (5304, 24732), (5496, 23868), (5508, 23816), (5616, 23358), (5954, 22032), (5967, 21984), (6183, 21216), (7072, 18549), (7328, 17901), (7344, 17862), (7786, 16848), (7956, 16488), (8244, 15912), (8424, 15572), (8931, 14688), (10608, 12366), (10992, 11934), (11016, 11908), (11232, 11679)]