80322780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5209}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 225822240

約数和(自身を除く): 145499460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 5209, 7710, 10418, 15420, 15627, 20836, 26045, 31254, 52090, 62508, 78135, 104180, 156270, 312540, 1338713, 2677426, 4016139, 5354852, 6693565, 8032278, 13387130, 16064556, 20080695, 26774260, 40161390, 80322780]

約数ペア:

[(1, 80322780), (2, 40161390), (3, 26774260), (4, 20080695), (5, 16064556), (6, 13387130), (10, 8032278), (12, 6693565), (15, 5354852), (20, 4016139), (30, 2677426), (60, 1338713), (257, 312540), (514, 156270), (771, 104180), (1028, 78135), (1285, 62508), (1542, 52090), (2570, 31254), (3084, 26045), (3855, 20836), (5140, 15627), (5209, 15420), (7710, 10418)]