67654880

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1087}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 160392960

約数和(自身を除く): 92738080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1087, 1556, 1945, 2174, 3112, 3890, 4348, 5435, 6224, 7780, 8696, 10870, 12448, 15560, 17392, 21740, 31120, 34784, 43480, 62240, 86960, 173920, 422843, 845686, 1691372, 2114215, 3382744, 4228430, 6765488, 8456860, 13530976, 16913720, 33827440, 67654880]

約数ペア:

[(1, 67654880), (2, 33827440), (4, 16913720), (5, 13530976), (8, 8456860), (10, 6765488), (16, 4228430), (20, 3382744), (32, 2114215), (40, 1691372), (80, 845686), (160, 422843), (389, 173920), (778, 86960), (1087, 62240), (1556, 43480), (1945, 34784), (2174, 31120), (3112, 21740), (3890, 17392), (4348, 15560), (5435, 12448), (6224, 10870), (7780, 8696)]