68917120

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 165790800

約数和(自身を除く): 96873680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 419, 514, 640, 838, 1028, 1285, 1676, 2056, 2095, 2570, 3352, 4112, 4190, 5140, 6704, 8224, 8380, 10280, 13408, 16448, 16760, 20560, 26816, 32896, 33520, 41120, 53632, 67040, 82240, 107683, 134080, 164480, 215366, 268160, 430732, 538415, 861464, 1076830, 1722928, 2153660, 3445856, 4307320, 6891712, 8614640, 13783424, 17229280, 34458560, 68917120]

約数ペア:

[(1, 68917120), (2, 34458560), (4, 17229280), (5, 13783424), (8, 8614640), (10, 6891712), (16, 4307320), (20, 3445856), (32, 2153660), (40, 1722928), (64, 1076830), (80, 861464), (128, 538415), (160, 430732), (257, 268160), (320, 215366), (419, 164480), (514, 134080), (640, 107683), (838, 82240), (1028, 67040), (1285, 53632), (1676, 41120), (2056, 33520), (2095, 32896), (2570, 26816), (3352, 20560), (4112, 16760), (4190, 16448), (5140, 13408), (6704, 10280), (8224, 8380)]