80538990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{383519}}^1$

素因数の和:383536

約数の個数: 32

約数和(自身を含む): 220907520

約数和(自身を除く): 140368530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 383519, 767038, 1150557, 1917595, 2301114, 2684633, 3835190, 5369266, 5752785, 8053899, 11505570, 13423165, 16107798, 26846330, 40269495, 80538990]

約数ペア:

[(1, 80538990), (2, 40269495), (3, 26846330), (5, 16107798), (6, 13423165), (7, 11505570), (10, 8053899), (14, 5752785), (15, 5369266), (21, 3835190), (30, 2684633), (35, 2301114), (42, 1917595), (70, 1150557), (105, 767038), (210, 383519)]