80505460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 198446976

約数和(自身を除く): 117941516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 311, 430, 602, 622, 860, 1204, 1244, 1505, 1555, 1849, 2177, 3010, 3110, 3698, 4354, 6020, 6220, 7396, 8708, 9245, 10885, 12943, 13373, 18490, 21770, 25886, 26746, 36980, 43540, 51772, 53492, 64715, 66865, 93611, 129430, 133730, 187222, 258860, 267460, 374444, 468055, 575039, 936110, 1150078, 1872220, 2300156, 2875195, 4025273, 5750390, 8050546, 11500780, 16101092, 20126365, 40252730, 80505460]

約数ペア:

[(1, 80505460), (2, 40252730), (4, 20126365), (5, 16101092), (7, 11500780), (10, 8050546), (14, 5750390), (20, 4025273), (28, 2875195), (35, 2300156), (43, 1872220), (70, 1150078), (86, 936110), (140, 575039), (172, 468055), (215, 374444), (301, 267460), (311, 258860), (430, 187222), (602, 133730), (622, 129430), (860, 93611), (1204, 66865), (1244, 64715), (1505, 53492), (1555, 51772), (1849, 43540), (2177, 36980), (3010, 26746), (3110, 25886), (3698, 21770), (4354, 18490), (6020, 13373), (6220, 12943), (7396, 10885), (8708, 9245)]