77821040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 198844416

約数和(自身を除く): 121023376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 463, 764, 880, 926, 955, 1528, 1852, 1910, 2101, 2315, 3056, 3704, 3820, 4202, 4630, 5093, 7408, 7640, 8404, 9260, 10186, 10505, 15280, 16808, 18520, 20372, 21010, 25465, 33616, 37040, 40744, 42020, 50930, 81488, 84040, 88433, 101860, 168080, 176866, 203720, 353732, 407440, 442165, 707464, 884330, 972763, 1414928, 1768660, 1945526, 3537320, 3891052, 4863815, 7074640, 7782104, 9727630, 15564208, 19455260, 38910520, 77821040]

約数ペア:

[(1, 77821040), (2, 38910520), (4, 19455260), (5, 15564208), (8, 9727630), (10, 7782104), (11, 7074640), (16, 4863815), (20, 3891052), (22, 3537320), (40, 1945526), (44, 1768660), (55, 1414928), (80, 972763), (88, 884330), (110, 707464), (176, 442165), (191, 407440), (220, 353732), (382, 203720), (440, 176866), (463, 168080), (764, 101860), (880, 88433), (926, 84040), (955, 81488), (1528, 50930), (1852, 42020), (1910, 40744), (2101, 37040), (2315, 33616), (3056, 25465), (3704, 21010), (3820, 20372), (4202, 18520), (4630, 16808), (5093, 15280), (7408, 10505), (7640, 10186), (8404, 9260)]