85056720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 160

約数和(自身を含む): 304051968

約数和(自身を除く): 218995248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 197, 210, 240, 257, 280, 336, 394, 420, 514, 560, 591, 771, 788, 840, 985, 1028, 1182, 1285, 1379, 1542, 1576, 1680, 1799, 1970, 2056, 2364, 2570, 2758, 2955, 3084, 3152, 3598, 3855, 3940, 4112, 4137, 4728, 5140, 5397, 5516, 5910, 6168, 6895, 7196, 7710, 7880, 8274, 8995, 9456, 10280, 10794, 11032, 11820, 12336, 13790, 14392, 15420, 15760, 16548, 17990, 20560, 20685, 21588, 22064, 23640, 26985, 27580, 28784, 30840, 33096, 35980, 41370, 43176, 47280, 50629, 53970, 55160, 61680, 66192, 71960, 82740, 86352, 101258, 107940, 110320, 143920, 151887, 165480, 202516, 215880, 253145, 303774, 330960, 354403, 405032, 431760, 506290, 607548, 708806, 759435, 810064, 1012580, 1063209, 1215096, 1417612, 1518870, 1772015, 2025160, 2126418, 2430192, 2835224, 3037740, 3544030, 4050320, 4252836, 5316045, 5670448, 6075480, 7088060, 8505672, 10632090, 12150960, 14176120, 17011344, 21264180, 28352240, 42528360, 85056720]

約数ペア:

[(1, 85056720), (2, 42528360), (3, 28352240), (4, 21264180), (5, 17011344), (6, 14176120), (7, 12150960), (8, 10632090), (10, 8505672), (12, 7088060), (14, 6075480), (15, 5670448), (16, 5316045), (20, 4252836), (21, 4050320), (24, 3544030), (28, 3037740), (30, 2835224), (35, 2430192), (40, 2126418), (42, 2025160), (48, 1772015), (56, 1518870), (60, 1417612), (70, 1215096), (80, 1063209), (84, 1012580), (105, 810064), (112, 759435), (120, 708806), (140, 607548), (168, 506290), (197, 431760), (210, 405032), (240, 354403), (257, 330960), (280, 303774), (336, 253145), (394, 215880), (420, 202516), (514, 165480), (560, 151887), (591, 143920), (771, 110320), (788, 107940), (840, 101258), (985, 86352), (1028, 82740), (1182, 71960), (1285, 66192), (1379, 61680), (1542, 55160), (1576, 53970), (1680, 50629), (1799, 47280), (1970, 43176), (2056, 41370), (2364, 35980), (2570, 33096), (2758, 30840), (2955, 28784), (3084, 27580), (3152, 26985), (3598, 23640), (3855, 22064), (3940, 21588), (4112, 20685), (4137, 20560), (4728, 17990), (5140, 16548), (5397, 15760), (5516, 15420), (5910, 14392), (6168, 13790), (6895, 12336), (7196, 11820), (7710, 11032), (7880, 10794), (8274, 10280), (8995, 9456)]