80120460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190763}}^1$

素因数の和:190782

約数の個数: 48

約数和(自身を含む): 256386816

約数和(自身を除く): 176266356

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, 190763, 381526, 572289, 763052, 953815, 1144578, 1335341, 1907630, 2289156, 2670682, 2861445, 3815260, 4006023, 5341364, 5722890, 6676705, 8012046, 11445780, 13353410, 16024092, 20030115, 26706820, 40060230, 80120460]

約数ペア:

[(1, 80120460), (2, 40060230), (3, 26706820), (4, 20030115), (5, 16024092), (6, 13353410), (7, 11445780), (10, 8012046), (12, 6676705), (14, 5722890), (15, 5341364), (20, 4006023), (21, 3815260), (28, 2861445), (30, 2670682), (35, 2289156), (42, 1907630), (60, 1335341), (70, 1144578), (84, 953815), (105, 763052), (140, 572289), (210, 381526), (420, 190763)]