77662720

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1365

約数の個数: 80

約数和(自身を含む): 194451840

約数和(自身を除く): 116789120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1319, 1472, 1840, 2560, 2638, 2944, 3680, 5276, 5888, 6595, 7360, 10552, 11776, 13190, 14720, 21104, 26380, 29440, 30337, 42208, 52760, 58880, 60674, 84416, 105520, 121348, 151685, 168832, 211040, 242696, 303370, 337664, 422080, 485392, 606740, 675328, 844160, 970784, 1213480, 1688320, 1941568, 2426960, 3376640, 3883136, 4853920, 7766272, 9707840, 15532544, 19415680, 38831360, 77662720]

約数ペア:

[(1, 77662720), (2, 38831360), (4, 19415680), (5, 15532544), (8, 9707840), (10, 7766272), (16, 4853920), (20, 3883136), (23, 3376640), (32, 2426960), (40, 1941568), (46, 1688320), (64, 1213480), (80, 970784), (92, 844160), (115, 675328), (128, 606740), (160, 485392), (184, 422080), (230, 337664), (256, 303370), (320, 242696), (368, 211040), (460, 168832), (512, 151685), (640, 121348), (736, 105520), (920, 84416), (1280, 60674), (1319, 58880), (1472, 52760), (1840, 42208), (2560, 30337), (2638, 29440), (2944, 26380), (3680, 21104), (5276, 14720), (5888, 13190), (6595, 11776), (7360, 10552)]