80954580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192749}}^1$

素因数の和:192768

約数の個数: 48

約数和(自身を含む): 259056000

約数和(自身を除く): 178101420

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, 192749, 385498, 578247, 770996, 963745, 1156494, 1349243, 1927490, 2312988, 2698486, 2891235, 3854980, 4047729, 5396972, 5782470, 6746215, 8095458, 11564940, 13492430, 16190916, 20238645, 26984860, 40477290, 80954580]

約数ペア:

[(1, 80954580), (2, 40477290), (3, 26984860), (4, 20238645), (5, 16190916), (6, 13492430), (7, 11564940), (10, 8095458), (12, 6746215), (14, 5782470), (15, 5396972), (20, 4047729), (21, 3854980), (28, 2891235), (30, 2698486), (35, 2312988), (42, 1927490), (60, 1349243), (70, 1156494), (84, 963745), (105, 770996), (140, 578247), (210, 385498), (420, 192749)]