78164960

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1289}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 185295600

約数和(自身を除く): 107130640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1289, 1516, 1895, 2578, 3032, 3790, 5156, 6064, 6445, 7580, 10312, 12128, 12890, 15160, 20624, 25780, 30320, 41248, 51560, 60640, 103120, 206240, 488531, 977062, 1954124, 2442655, 3908248, 4885310, 7816496, 9770620, 15632992, 19541240, 39082480, 78164960]

約数ペア:

[(1, 78164960), (2, 39082480), (4, 19541240), (5, 15632992), (8, 9770620), (10, 7816496), (16, 4885310), (20, 3908248), (32, 2442655), (40, 1954124), (80, 977062), (160, 488531), (379, 206240), (758, 103120), (1289, 60640), (1516, 51560), (1895, 41248), (2578, 30320), (3032, 25780), (3790, 20624), (5156, 15160), (6064, 12890), (6445, 12128), (7580, 10312)]