131212440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{121493}}^1$

素因数の和:121513

約数の個数: 64

約数和(自身を含む): 437378400

約数和(自身を除く): 306165960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 121493, 242986, 364479, 485972, 607465, 728958, 971944, 1093437, 1214930, 1457916, 1822395, 2186874, 2429860, 2915832, 3280311, 3644790, 4373748, 4859720, 5467185, 6560622, 7289580, 8747496, 10934370, 13121244, 14579160, 16401555, 21868740, 26242488, 32803110, 43737480, 65606220, 131212440]

約数ペア:

[(1, 131212440), (2, 65606220), (3, 43737480), (4, 32803110), (5, 26242488), (6, 21868740), (8, 16401555), (9, 14579160), (10, 13121244), (12, 10934370), (15, 8747496), (18, 7289580), (20, 6560622), (24, 5467185), (27, 4859720), (30, 4373748), (36, 3644790), (40, 3280311), (45, 2915832), (54, 2429860), (60, 2186874), (72, 1822395), (90, 1457916), (108, 1214930), (120, 1093437), (135, 971944), (180, 728958), (216, 607465), (270, 485972), (360, 364479), (540, 242986), (1080, 121493)]