80960840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 190080000

約数和(自身を除く): 109119160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 599, 620, 872, 1090, 1198, 1240, 2180, 2396, 2995, 3379, 4360, 4792, 5990, 6758, 11980, 13516, 16895, 18569, 23960, 27032, 33790, 37138, 65291, 67580, 74276, 92845, 130582, 135160, 148552, 185690, 261164, 326455, 371380, 522328, 652910, 742760, 1305820, 2024021, 2611640, 4048042, 8096084, 10120105, 16192168, 20240210, 40480420, 80960840]

約数ペア:

[(1, 80960840), (2, 40480420), (4, 20240210), (5, 16192168), (8, 10120105), (10, 8096084), (20, 4048042), (31, 2611640), (40, 2024021), (62, 1305820), (109, 742760), (124, 652910), (155, 522328), (218, 371380), (248, 326455), (310, 261164), (436, 185690), (545, 148552), (599, 135160), (620, 130582), (872, 92845), (1090, 74276), (1198, 67580), (1240, 65291), (2180, 37138), (2396, 33790), (2995, 27032), (3379, 23960), (4360, 18569), (4792, 16895), (5990, 13516), (6758, 11980)]