81322704

素因数分解:

$2^4\times 3^4\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:630

約数の個数: 100

約数和(自身を含む): 237663360

約数和(自身を除く): 156340656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 131, 144, 162, 216, 262, 324, 393, 432, 479, 524, 648, 786, 958, 1048, 1179, 1296, 1437, 1572, 1916, 2096, 2358, 2874, 3144, 3537, 3832, 4311, 4716, 5748, 6288, 7074, 7664, 8622, 9432, 10611, 11496, 12933, 14148, 17244, 18864, 21222, 22992, 25866, 28296, 34488, 38799, 42444, 51732, 56592, 62749, 68976, 77598, 84888, 103464, 125498, 155196, 169776, 188247, 206928, 250996, 310392, 376494, 501992, 564741, 620784, 752988, 1003984, 1129482, 1505976, 1694223, 2258964, 3011952, 3388446, 4517928, 5082669, 6776892, 9035856, 10165338, 13553784, 20330676, 27107568, 40661352, 81322704]

約数ペア:

[(1, 81322704), (2, 40661352), (3, 27107568), (4, 20330676), (6, 13553784), (8, 10165338), (9, 9035856), (12, 6776892), (16, 5082669), (18, 4517928), (24, 3388446), (27, 3011952), (36, 2258964), (48, 1694223), (54, 1505976), (72, 1129482), (81, 1003984), (108, 752988), (131, 620784), (144, 564741), (162, 501992), (216, 376494), (262, 310392), (324, 250996), (393, 206928), (432, 188247), (479, 169776), (524, 155196), (648, 125498), (786, 103464), (958, 84888), (1048, 77598), (1179, 68976), (1296, 62749), (1437, 56592), (1572, 51732), (1916, 42444), (2096, 38799), (2358, 34488), (2874, 28296), (3144, 25866), (3537, 22992), (3832, 21222), (4311, 18864), (4716, 17244), (5748, 14148), (6288, 12933), (7074, 11496), (7664, 10611), (8622, 9432)]