1981760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1$

素因数の和:591

約数の個数: 56

約数和(自身を含む): 5157216

約数和(自身を除く): 3175456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 563, 704, 880, 1126, 1760, 2252, 2815, 3520, 4504, 5630, 6193, 9008, 11260, 12386, 18016, 22520, 24772, 30965, 36032, 45040, 49544, 61930, 90080, 99088, 123860, 180160, 198176, 247720, 396352, 495440, 990880, 1981760]

約数ペア:

[(1, 1981760), (2, 990880), (4, 495440), (5, 396352), (8, 247720), (10, 198176), (11, 180160), (16, 123860), (20, 99088), (22, 90080), (32, 61930), (40, 49544), (44, 45040), (55, 36032), (64, 30965), (80, 24772), (88, 22520), (110, 18016), (160, 12386), (176, 11260), (220, 9008), (320, 6193), (352, 5630), (440, 4504), (563, 3520), (704, 2815), (880, 2252), (1126, 1760)]