778811440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6367}}^1$

素因数の和:6530

約数の個数: 80

約数和(自身を含む): 1989872640

約数和(自身を除く): 1211061200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2780, 3058, 5560, 6116, 6367, 7645, 11120, 12232, 12734, 15290, 24464, 25468, 30580, 31835, 50936, 61160, 63670, 70037, 101872, 122320, 127340, 140074, 254680, 280148, 350185, 509360, 560296, 700370, 885013, 1120592, 1400740, 1770026, 2801480, 3540052, 4425065, 5602960, 7080104, 8850130, 9735143, 14160208, 17700260, 19470286, 35400520, 38940572, 48675715, 70801040, 77881144, 97351430, 155762288, 194702860, 389405720, 778811440]

約数ペア:

[(1, 778811440), (2, 389405720), (4, 194702860), (5, 155762288), (8, 97351430), (10, 77881144), (11, 70801040), (16, 48675715), (20, 38940572), (22, 35400520), (40, 19470286), (44, 17700260), (55, 14160208), (80, 9735143), (88, 8850130), (110, 7080104), (139, 5602960), (176, 4425065), (220, 3540052), (278, 2801480), (440, 1770026), (556, 1400740), (695, 1120592), (880, 885013), (1112, 700370), (1390, 560296), (1529, 509360), (2224, 350185), (2780, 280148), (3058, 254680), (5560, 140074), (6116, 127340), (6367, 122320), (7645, 101872), (11120, 70037), (12232, 63670), (12734, 61160), (15290, 50936), (24464, 31835), (25468, 30580)]