261922248

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 872746380

約数和(自身を除く): 610824132

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 73, 81, 84, 98, 108, 113, 126, 146, 147, 162, 168, 189, 196, 216, 219, 226, 252, 292, 294, 324, 339, 378, 392, 438, 441, 452, 504, 511, 567, 584, 588, 648, 657, 678, 756, 791, 876, 882, 904, 1017, 1022, 1134, 1176, 1314, 1323, 1356, 1512, 1533, 1582, 1752, 1764, 1971, 2034, 2044, 2268, 2373, 2628, 2646, 2712, 3051, 3066, 3164, 3528, 3577, 3942, 3969, 4068, 4088, 4536, 4599, 4746, 5256, 5292, 5537, 5913, 6102, 6132, 6328, 7119, 7154, 7884, 7938, 8136, 8249, 9153, 9198, 9492, 10584, 10731, 11074, 11826, 12204, 12264, 13797, 14238, 14308, 15768, 15876, 16498, 16611, 18306, 18396, 18984, 21357, 21462, 22148, 23652, 24408, 24747, 27594, 28476, 28616, 31752, 32193, 32996, 33222, 36612, 36792, 41391, 42714, 42924, 44296, 47304, 49494, 49833, 55188, 56952, 57743, 64071, 64386, 65992, 66444, 73224, 74241, 82782, 85428, 85848, 96579, 98988, 99666, 110376, 115486, 128142, 128772, 132888, 148482, 149499, 165564, 170856, 173229, 193158, 197976, 199332, 222723, 230972, 256284, 257544, 289737, 296964, 298998, 331128, 346458, 386316, 398664, 404201, 445446, 448497, 461944, 512568, 519687, 579474, 593928, 597996, 668169, 692916, 772632, 808402, 890892, 896994, 1039374, 1158948, 1195992, 1212603, 1336338, 1385832, 1559061, 1616804, 1781784, 1793988, 2078748, 2317896, 2425206, 2672676, 3118122, 3233608, 3587976, 3637809, 4157496, 4677183, 4850412, 5345352, 6236244, 7275618, 9354366, 9700824, 10913427, 12472488, 14551236, 18708732, 21826854, 29102472, 32740281, 37417464, 43653708, 65480562, 87307416, 130961124, 261922248]

約数ペア:

[(1, 261922248), (2, 130961124), (3, 87307416), (4, 65480562), (6, 43653708), (7, 37417464), (8, 32740281), (9, 29102472), (12, 21826854), (14, 18708732), (18, 14551236), (21, 12472488), (24, 10913427), (27, 9700824), (28, 9354366), (36, 7275618), (42, 6236244), (49, 5345352), (54, 4850412), (56, 4677183), (63, 4157496), (72, 3637809), (73, 3587976), (81, 3233608), (84, 3118122), (98, 2672676), (108, 2425206), (113, 2317896), (126, 2078748), (146, 1793988), (147, 1781784), (162, 1616804), (168, 1559061), (189, 1385832), (196, 1336338), (216, 1212603), (219, 1195992), (226, 1158948), (252, 1039374), (292, 896994), (294, 890892), (324, 808402), (339, 772632), (378, 692916), (392, 668169), (438, 597996), (441, 593928), (452, 579474), (504, 519687), (511, 512568), (567, 461944), (584, 448497), (588, 445446), (648, 404201), (657, 398664), (678, 386316), (756, 346458), (791, 331128), (876, 298998), (882, 296964), (904, 289737), (1017, 257544), (1022, 256284), (1134, 230972), (1176, 222723), (1314, 199332), (1323, 197976), (1356, 193158), (1512, 173229), (1533, 170856), (1582, 165564), (1752, 149499), (1764, 148482), (1971, 132888), (2034, 128772), (2044, 128142), (2268, 115486), (2373, 110376), (2628, 99666), (2646, 98988), (2712, 96579), (3051, 85848), (3066, 85428), (3164, 82782), (3528, 74241), (3577, 73224), (3942, 66444), (3969, 65992), (4068, 64386), (4088, 64071), (4536, 57743), (4599, 56952), (4746, 55188), (5256, 49833), (5292, 49494), (5537, 47304), (5913, 44296), (6102, 42924), (6132, 42714), (6328, 41391), (7119, 36792), (7154, 36612), (7884, 33222), (7938, 32996), (8136, 32193), (8249, 31752), (9153, 28616), (9198, 28476), (9492, 27594), (10584, 24747), (10731, 24408), (11074, 23652), (11826, 22148), (12204, 21462), (12264, 21357), (13797, 18984), (14238, 18396), (14308, 18306), (15768, 16611), (15876, 16498)]