80811960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2683}}^1$

素因数の和:2948

約数の個数: 64

約数和(自身を含む): 243492480

約数和(自身を除く): 162680520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 2683, 3012, 3765, 5020, 5366, 6024, 7530, 8049, 10040, 10732, 13415, 15060, 16098, 21464, 26830, 30120, 32196, 40245, 53660, 64392, 80490, 107320, 160980, 321960, 673433, 1346866, 2020299, 2693732, 3367165, 4040598, 5387464, 6734330, 8081196, 10101495, 13468660, 16162392, 20202990, 26937320, 40405980, 80811960]

約数ペア:

[(1, 80811960), (2, 40405980), (3, 26937320), (4, 20202990), (5, 16162392), (6, 13468660), (8, 10101495), (10, 8081196), (12, 6734330), (15, 5387464), (20, 4040598), (24, 3367165), (30, 2693732), (40, 2020299), (60, 1346866), (120, 673433), (251, 321960), (502, 160980), (753, 107320), (1004, 80490), (1255, 64392), (1506, 53660), (2008, 40245), (2510, 32196), (2683, 30120), (3012, 26830), (3765, 21464), (5020, 16098), (5366, 15060), (6024, 13415), (7530, 10732), (8049, 10040)]