135681440

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4019}}^1$

素因数の和:4245

約数の個数: 48

約数和(自身を含む): 322146720

約数和(自身を除く): 186465280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4019, 4220, 6752, 8038, 8440, 16076, 16880, 20095, 32152, 33760, 40190, 64304, 80380, 128608, 160760, 321520, 643040, 848009, 1696018, 3392036, 4240045, 6784072, 8480090, 13568144, 16960180, 27136288, 33920360, 67840720, 135681440]

約数ペア:

[(1, 135681440), (2, 67840720), (4, 33920360), (5, 27136288), (8, 16960180), (10, 13568144), (16, 8480090), (20, 6784072), (32, 4240045), (40, 3392036), (80, 1696018), (160, 848009), (211, 643040), (422, 321520), (844, 160760), (1055, 128608), (1688, 80380), (2110, 64304), (3376, 40190), (4019, 33760), (4220, 32152), (6752, 20095), (8038, 16880), (8440, 16076)]