7681380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18289}}^1$

素因数の和:18308

約数の個数: 48

約数和(自身を含む): 24581760

約数和(自身を除く): 16900380

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, 18289, 36578, 54867, 73156, 91445, 109734, 128023, 182890, 219468, 256046, 274335, 365780, 384069, 512092, 548670, 640115, 768138, 1097340, 1280230, 1536276, 1920345, 2560460, 3840690, 7681380]

約数ペア:

[(1, 7681380), (2, 3840690), (3, 2560460), (4, 1920345), (5, 1536276), (6, 1280230), (7, 1097340), (10, 768138), (12, 640115), (14, 548670), (15, 512092), (20, 384069), (21, 365780), (28, 274335), (30, 256046), (35, 219468), (42, 182890), (60, 128023), (70, 109734), (84, 91445), (105, 73156), (140, 54867), (210, 36578), (420, 18289)]