80714920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 217002240

約数和(自身を除く): 136287320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 103, 104, 110, 130, 137, 143, 206, 220, 260, 274, 286, 412, 440, 515, 520, 548, 572, 685, 715, 824, 1030, 1096, 1133, 1144, 1339, 1370, 1430, 1507, 1781, 2060, 2266, 2678, 2740, 2860, 3014, 3562, 4120, 4532, 5356, 5480, 5665, 5720, 6028, 6695, 7124, 7535, 8905, 9064, 10712, 11330, 12056, 13390, 14111, 14248, 14729, 15070, 17810, 19591, 22660, 26780, 28222, 29458, 30140, 35620, 39182, 45320, 53560, 56444, 58916, 60280, 70555, 71240, 73645, 78364, 97955, 112888, 117832, 141110, 147290, 155221, 156728, 183443, 195910, 282220, 294580, 310442, 366886, 391820, 564440, 589160, 620884, 733772, 776105, 783640, 917215, 1241768, 1467544, 1552210, 1834430, 2017873, 3104420, 3668860, 4035746, 6208840, 7337720, 8071492, 10089365, 16142984, 20178730, 40357460, 80714920]

約数ペア:

[(1, 80714920), (2, 40357460), (4, 20178730), (5, 16142984), (8, 10089365), (10, 8071492), (11, 7337720), (13, 6208840), (20, 4035746), (22, 3668860), (26, 3104420), (40, 2017873), (44, 1834430), (52, 1552210), (55, 1467544), (65, 1241768), (88, 917215), (103, 783640), (104, 776105), (110, 733772), (130, 620884), (137, 589160), (143, 564440), (206, 391820), (220, 366886), (260, 310442), (274, 294580), (286, 282220), (412, 195910), (440, 183443), (515, 156728), (520, 155221), (548, 147290), (572, 141110), (685, 117832), (715, 112888), (824, 97955), (1030, 78364), (1096, 73645), (1133, 71240), (1144, 70555), (1339, 60280), (1370, 58916), (1430, 56444), (1507, 53560), (1781, 45320), (2060, 39182), (2266, 35620), (2678, 30140), (2740, 29458), (2860, 28222), (3014, 26780), (3562, 22660), (4120, 19591), (4532, 17810), (5356, 15070), (5480, 14729), (5665, 14248), (5720, 14111), (6028, 13390), (6695, 12056), (7124, 11330), (7535, 10712), (8905, 9064)]