81571056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2357}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 243270144

約数和(自身を除く): 161699088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 618, 721, 824, 1236, 1442, 1648, 2163, 2357, 2472, 2884, 4326, 4714, 4944, 5768, 7071, 8652, 9428, 11536, 14142, 16499, 17304, 18856, 28284, 32998, 34608, 37712, 49497, 56568, 65996, 98994, 113136, 131992, 197988, 242771, 263984, 395976, 485542, 728313, 791952, 971084, 1456626, 1699397, 1942168, 2913252, 3398794, 3884336, 5098191, 5826504, 6797588, 10196382, 11653008, 13595176, 20392764, 27190352, 40785528, 81571056]

約数ペア:

[(1, 81571056), (2, 40785528), (3, 27190352), (4, 20392764), (6, 13595176), (7, 11653008), (8, 10196382), (12, 6797588), (14, 5826504), (16, 5098191), (21, 3884336), (24, 3398794), (28, 2913252), (42, 1942168), (48, 1699397), (56, 1456626), (84, 971084), (103, 791952), (112, 728313), (168, 485542), (206, 395976), (309, 263984), (336, 242771), (412, 197988), (618, 131992), (721, 113136), (824, 98994), (1236, 65996), (1442, 56568), (1648, 49497), (2163, 37712), (2357, 34608), (2472, 32998), (2884, 28284), (4326, 18856), (4714, 17304), (4944, 16499), (5768, 14142), (7071, 11536), (8652, 9428)]