81203520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:608

約数の個数: 112

約数和(自身を含む): 259616448

約数和(自身を除く): 178412928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 251, 320, 337, 480, 502, 674, 753, 960, 1004, 1011, 1255, 1348, 1506, 1685, 2008, 2022, 2510, 2696, 3012, 3370, 3765, 4016, 4044, 5020, 5055, 5392, 6024, 6740, 7530, 8032, 8088, 10040, 10110, 10784, 12048, 13480, 15060, 16064, 16176, 20080, 20220, 21568, 24096, 26960, 30120, 32352, 40160, 40440, 48192, 53920, 60240, 64704, 80320, 80880, 84587, 107840, 120480, 161760, 169174, 240960, 253761, 323520, 338348, 422935, 507522, 676696, 845870, 1015044, 1268805, 1353392, 1691740, 2030088, 2537610, 2706784, 3383480, 4060176, 5075220, 5413568, 6766960, 8120352, 10150440, 13533920, 16240704, 20300880, 27067840, 40601760, 81203520]

約数ペア:

[(1, 81203520), (2, 40601760), (3, 27067840), (4, 20300880), (5, 16240704), (6, 13533920), (8, 10150440), (10, 8120352), (12, 6766960), (15, 5413568), (16, 5075220), (20, 4060176), (24, 3383480), (30, 2706784), (32, 2537610), (40, 2030088), (48, 1691740), (60, 1353392), (64, 1268805), (80, 1015044), (96, 845870), (120, 676696), (160, 507522), (192, 422935), (240, 338348), (251, 323520), (320, 253761), (337, 240960), (480, 169174), (502, 161760), (674, 120480), (753, 107840), (960, 84587), (1004, 80880), (1011, 80320), (1255, 64704), (1348, 60240), (1506, 53920), (1685, 48192), (2008, 40440), (2022, 40160), (2510, 32352), (2696, 30120), (3012, 26960), (3370, 24096), (3765, 21568), (4016, 20220), (4044, 20080), (5020, 16176), (5055, 16064), (5392, 15060), (6024, 13480), (6740, 12048), (7530, 10784), (8032, 10110), (8088, 10040)]