77740480

素因数分解:

$2^6\times 5^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1037

約数の個数: 56

約数和(自身を含む): 185897520

約数和(自身を除く): 108157040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 641, 758, 1282, 1516, 1895, 2564, 3032, 3205, 3790, 5128, 6064, 6410, 7580, 10256, 12128, 12820, 15160, 20512, 24256, 25640, 30320, 41024, 51280, 60640, 102560, 121280, 205120, 242939, 485878, 971756, 1214695, 1943512, 2429390, 3887024, 4858780, 7774048, 9717560, 15548096, 19435120, 38870240, 77740480]

約数ペア:

[(1, 77740480), (2, 38870240), (4, 19435120), (5, 15548096), (8, 9717560), (10, 7774048), (16, 4858780), (20, 3887024), (32, 2429390), (40, 1943512), (64, 1214695), (80, 971756), (160, 485878), (320, 242939), (379, 205120), (641, 121280), (758, 102560), (1282, 60640), (1516, 51280), (1895, 41024), (2564, 30320), (3032, 25640), (3205, 24256), (3790, 20512), (5128, 15160), (6064, 12820), (6410, 12128), (7580, 10256)]