80855964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 234416000

約数和(自身を除く): 153560036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 499, 643, 998, 1286, 1497, 1929, 1996, 2572, 2994, 3493, 3858, 4491, 4501, 5787, 5988, 6986, 7716, 8982, 9002, 10479, 11574, 13503, 13972, 17964, 18004, 20958, 23148, 27006, 31437, 40509, 41916, 54012, 62874, 81018, 125748, 162036, 320857, 641714, 962571, 1283428, 1925142, 2245999, 2887713, 3850284, 4491998, 5775426, 6737997, 8983996, 11550852, 13475994, 20213991, 26951988, 40427982, 80855964]

約数ペア:

[(1, 80855964), (2, 40427982), (3, 26951988), (4, 20213991), (6, 13475994), (7, 11550852), (9, 8983996), (12, 6737997), (14, 5775426), (18, 4491998), (21, 3850284), (28, 2887713), (36, 2245999), (42, 1925142), (63, 1283428), (84, 962571), (126, 641714), (252, 320857), (499, 162036), (643, 125748), (998, 81018), (1286, 62874), (1497, 54012), (1929, 41916), (1996, 40509), (2572, 31437), (2994, 27006), (3493, 23148), (3858, 20958), (4491, 18004), (4501, 17964), (5787, 13972), (5988, 13503), (6986, 11574), (7716, 10479), (8982, 9002)]