256269345780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{610165109}}^1$

素因数の和:610165128

約数の個数: 48

約数和(自身を含む): 820061907840

約数和(自身を除く): 563792562060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 610165109, 1220330218, 1830495327, 2440660436, 3050825545, 3660990654, 4271155763, 6101651090, 7321981308, 8542311526, 9152476635, 12203302180, 12813467289, 17084623052, 18304953270, 21355778815, 25626934578, 36609906540, 42711557630, 51253869156, 64067336445, 85423115260, 128134672890, 256269345780]

約数ペア:

[(1, 256269345780), (2, 128134672890), (3, 85423115260), (4, 64067336445), (5, 51253869156), (6, 42711557630), (7, 36609906540), (10, 25626934578), (12, 21355778815), (14, 18304953270), (15, 17084623052), (20, 12813467289), (21, 12203302180), (28, 9152476635), (30, 8542311526), (35, 7321981308), (42, 6101651090), (60, 4271155763), (70, 3660990654), (84, 3050825545), (105, 2440660436), (140, 1830495327), (210, 1220330218), (420, 610165109)]