71448816

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 195920000

約数和(自身を除く): 124471184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 157, 228, 304, 314, 456, 471, 499, 628, 912, 942, 998, 1256, 1497, 1884, 1996, 2512, 2983, 2994, 3768, 3992, 5966, 5988, 7536, 7984, 8949, 9481, 11932, 11976, 17898, 18962, 23864, 23952, 28443, 35796, 37924, 47728, 56886, 71592, 75848, 78343, 113772, 143184, 151696, 156686, 227544, 235029, 313372, 455088, 470058, 626744, 940116, 1253488, 1488517, 1880232, 2977034, 3760464, 4465551, 5954068, 8931102, 11908136, 17862204, 23816272, 35724408, 71448816]

約数ペア:

[(1, 71448816), (2, 35724408), (3, 23816272), (4, 17862204), (6, 11908136), (8, 8931102), (12, 5954068), (16, 4465551), (19, 3760464), (24, 2977034), (38, 1880232), (48, 1488517), (57, 1253488), (76, 940116), (114, 626744), (152, 470058), (157, 455088), (228, 313372), (304, 235029), (314, 227544), (456, 156686), (471, 151696), (499, 143184), (628, 113772), (912, 78343), (942, 75848), (998, 71592), (1256, 56886), (1497, 47728), (1884, 37924), (1996, 35796), (2512, 28443), (2983, 23952), (2994, 23864), (3768, 18962), (3992, 17898), (5966, 11976), (5988, 11932), (7536, 9481), (7984, 8949)]