80687520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 278034120

約数和(自身を除く): 197346600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 274, 288, 360, 409, 411, 480, 548, 685, 720, 818, 822, 1096, 1227, 1233, 1370, 1440, 1636, 1644, 2045, 2055, 2192, 2454, 2466, 2740, 3272, 3288, 3681, 4090, 4110, 4384, 4908, 4932, 5480, 6135, 6165, 6544, 6576, 7362, 8180, 8220, 9816, 9864, 10960, 12270, 12330, 13088, 13152, 14724, 16360, 16440, 18405, 19632, 19728, 21920, 24540, 24660, 29448, 32720, 32880, 36810, 39264, 39456, 49080, 49320, 56033, 58896, 65440, 65760, 73620, 98160, 98640, 112066, 117792, 147240, 168099, 196320, 197280, 224132, 280165, 294480, 336198, 448264, 504297, 560330, 588960, 672396, 840495, 896528, 1008594, 1120660, 1344792, 1680990, 1793056, 2017188, 2241320, 2521485, 2689584, 3361980, 4034376, 4482640, 5042970, 5379168, 6723960, 8068752, 8965280, 10085940, 13447920, 16137504, 20171880, 26895840, 40343760, 80687520]

約数ペア:

[(1, 80687520), (2, 40343760), (3, 26895840), (4, 20171880), (5, 16137504), (6, 13447920), (8, 10085940), (9, 8965280), (10, 8068752), (12, 6723960), (15, 5379168), (16, 5042970), (18, 4482640), (20, 4034376), (24, 3361980), (30, 2689584), (32, 2521485), (36, 2241320), (40, 2017188), (45, 1793056), (48, 1680990), (60, 1344792), (72, 1120660), (80, 1008594), (90, 896528), (96, 840495), (120, 672396), (137, 588960), (144, 560330), (160, 504297), (180, 448264), (240, 336198), (274, 294480), (288, 280165), (360, 224132), (409, 197280), (411, 196320), (480, 168099), (548, 147240), (685, 117792), (720, 112066), (818, 98640), (822, 98160), (1096, 73620), (1227, 65760), (1233, 65440), (1370, 58896), (1440, 56033), (1636, 49320), (1644, 49080), (2045, 39456), (2055, 39264), (2192, 36810), (2454, 32880), (2466, 32720), (2740, 29448), (3272, 24660), (3288, 24540), (3681, 21920), (4090, 19728), (4110, 19632), (4384, 18405), (4908, 16440), (4932, 16360), (5480, 14724), (6135, 13152), (6165, 13088), (6544, 12330), (6576, 12270), (7362, 10960), (8180, 9864), (8220, 9816)]