78885660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187823}}^1$

素因数の和:187842

約数の個数: 48

約数和(自身を含む): 252435456

約数和(自身を除く): 173549796

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, 187823, 375646, 563469, 751292, 939115, 1126938, 1314761, 1878230, 2253876, 2629522, 2817345, 3756460, 3944283, 5259044, 5634690, 6573805, 7888566, 11269380, 13147610, 15777132, 19721415, 26295220, 39442830, 78885660]

約数ペア:

[(1, 78885660), (2, 39442830), (3, 26295220), (4, 19721415), (5, 15777132), (6, 13147610), (7, 11269380), (10, 7888566), (12, 6573805), (14, 5634690), (15, 5259044), (20, 3944283), (21, 3756460), (28, 2817345), (30, 2629522), (35, 2253876), (42, 1878230), (60, 1314761), (70, 1126938), (84, 939115), (105, 751292), (140, 563469), (210, 375646), (420, 187823)]