81368712

素因数分解:

$2^3\times 3^4\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 229416000

約数和(自身を除く): 148047288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 199, 216, 324, 398, 597, 631, 648, 796, 1194, 1262, 1592, 1791, 1893, 2388, 2524, 3582, 3786, 4776, 5048, 5373, 5679, 7164, 7572, 10746, 11358, 14328, 15144, 16119, 17037, 21492, 22716, 32238, 34074, 42984, 45432, 51111, 64476, 68148, 102222, 125569, 128952, 136296, 204444, 251138, 376707, 408888, 502276, 753414, 1004552, 1130121, 1506828, 2260242, 3013656, 3390363, 4520484, 6780726, 9040968, 10171089, 13561452, 20342178, 27122904, 40684356, 81368712]

約数ペア:

[(1, 81368712), (2, 40684356), (3, 27122904), (4, 20342178), (6, 13561452), (8, 10171089), (9, 9040968), (12, 6780726), (18, 4520484), (24, 3390363), (27, 3013656), (36, 2260242), (54, 1506828), (72, 1130121), (81, 1004552), (108, 753414), (162, 502276), (199, 408888), (216, 376707), (324, 251138), (398, 204444), (597, 136296), (631, 128952), (648, 125569), (796, 102222), (1194, 68148), (1262, 64476), (1592, 51111), (1791, 45432), (1893, 42984), (2388, 34074), (2524, 32238), (3582, 22716), (3786, 21492), (4776, 17037), (5048, 16119), (5373, 15144), (5679, 14328), (7164, 11358), (7572, 10746)]