80509380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191689}}^1$

素因数の和:191708

約数の個数: 48

約数和(自身を含む): 257631360

約数和(自身を除く): 177121980

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, 191689, 383378, 575067, 766756, 958445, 1150134, 1341823, 1916890, 2300268, 2683646, 2875335, 3833780, 4025469, 5367292, 5750670, 6709115, 8050938, 11501340, 13418230, 16101876, 20127345, 26836460, 40254690, 80509380]

約数ペア:

[(1, 80509380), (2, 40254690), (3, 26836460), (4, 20127345), (5, 16101876), (6, 13418230), (7, 11501340), (10, 8050938), (12, 6709115), (14, 5750670), (15, 5367292), (20, 4025469), (21, 3833780), (28, 2875335), (30, 2683646), (35, 2300268), (42, 1916890), (60, 1341823), (70, 1150134), (84, 958445), (105, 766756), (140, 575067), (210, 383378), (420, 191689)]