80681580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64033}}^1$

素因数の和:64055

約数の個数: 72

約数和(自身を含む): 279700512

約数和(自身を除く): 199018932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64033, 128066, 192099, 256132, 320165, 384198, 448231, 576297, 640330, 768396, 896462, 960495, 1152594, 1280660, 1344693, 1792924, 1920990, 2241155, 2305188, 2689386, 2881485, 3841980, 4034079, 4482310, 5378772, 5762970, 6723465, 8068158, 8964620, 11525940, 13446930, 16136316, 20170395, 26893860, 40340790, 80681580]

約数ペア:

[(1, 80681580), (2, 40340790), (3, 26893860), (4, 20170395), (5, 16136316), (6, 13446930), (7, 11525940), (9, 8964620), (10, 8068158), (12, 6723465), (14, 5762970), (15, 5378772), (18, 4482310), (20, 4034079), (21, 3841980), (28, 2881485), (30, 2689386), (35, 2305188), (36, 2241155), (42, 1920990), (45, 1792924), (60, 1344693), (63, 1280660), (70, 1152594), (84, 960495), (90, 896462), (105, 768396), (126, 640330), (140, 576297), (180, 448231), (210, 384198), (252, 320165), (315, 256132), (420, 192099), (630, 128066), (1260, 64033)]