80310816

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1094

約数の個数: 72

約数和(自身を含む): 229267584

約数和(自身を除く): 148956768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 647, 862, 1293, 1294, 1724, 1941, 2586, 2588, 3448, 3879, 3882, 5172, 5176, 5823, 6896, 7758, 7764, 10344, 10352, 11646, 13792, 15516, 15528, 20688, 20704, 23292, 31032, 31056, 41376, 46584, 62064, 62112, 93168, 124128, 186336, 278857, 557714, 836571, 1115428, 1673142, 2230856, 2509713, 3346284, 4461712, 5019426, 6692568, 8923424, 10038852, 13385136, 20077704, 26770272, 40155408, 80310816]

約数ペア:

[(1, 80310816), (2, 40155408), (3, 26770272), (4, 20077704), (6, 13385136), (8, 10038852), (9, 8923424), (12, 6692568), (16, 5019426), (18, 4461712), (24, 3346284), (32, 2509713), (36, 2230856), (48, 1673142), (72, 1115428), (96, 836571), (144, 557714), (288, 278857), (431, 186336), (647, 124128), (862, 93168), (1293, 62112), (1294, 62064), (1724, 46584), (1941, 41376), (2586, 31056), (2588, 31032), (3448, 23292), (3879, 20704), (3882, 20688), (5172, 15528), (5176, 15516), (5823, 13792), (6896, 11646), (7758, 10352), (7764, 10344)]