77505280

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 187344864

約数和(自身を除く): 109839584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 401, 604, 640, 755, 802, 1208, 1280, 1510, 1604, 2005, 2416, 3020, 3208, 4010, 4832, 6040, 6416, 8020, 9664, 12080, 12832, 16040, 19328, 24160, 25664, 32080, 38656, 48320, 51328, 60551, 64160, 96640, 102656, 121102, 128320, 193280, 242204, 256640, 302755, 484408, 513280, 605510, 968816, 1211020, 1937632, 2422040, 3875264, 4844080, 7750528, 9688160, 15501056, 19376320, 38752640, 77505280]

約数ペア:

[(1, 77505280), (2, 38752640), (4, 19376320), (5, 15501056), (8, 9688160), (10, 7750528), (16, 4844080), (20, 3875264), (32, 2422040), (40, 1937632), (64, 1211020), (80, 968816), (128, 605510), (151, 513280), (160, 484408), (256, 302755), (302, 256640), (320, 242204), (401, 193280), (604, 128320), (640, 121102), (755, 102656), (802, 96640), (1208, 64160), (1280, 60551), (1510, 51328), (1604, 48320), (2005, 38656), (2416, 32080), (3020, 25664), (3208, 24160), (4010, 19328), (4832, 16040), (6040, 12832), (6416, 12080), (8020, 9664)]