84401240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 240883200

約数和(自身を除く): 156481960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 385, 409, 440, 469, 536, 616, 670, 737, 770, 818, 938, 1340, 1474, 1540, 1636, 1876, 2045, 2345, 2680, 2863, 2948, 3080, 3272, 3685, 3752, 4090, 4499, 4690, 5159, 5726, 5896, 7370, 8180, 8998, 9380, 10318, 11452, 14315, 14740, 16360, 17996, 18760, 20636, 22495, 22904, 25795, 27403, 28630, 29480, 31493, 35992, 41272, 44990, 51590, 54806, 57260, 62986, 89980, 103180, 109612, 114520, 125972, 137015, 157465, 179960, 191821, 206360, 219224, 251944, 274030, 301433, 314930, 383642, 548060, 602866, 629860, 767284, 959105, 1096120, 1205732, 1259720, 1507165, 1534568, 1918210, 2110031, 2411464, 3014330, 3836420, 4220062, 6028660, 7672840, 8440124, 10550155, 12057320, 16880248, 21100310, 42200620, 84401240]

約数ペア:

[(1, 84401240), (2, 42200620), (4, 21100310), (5, 16880248), (7, 12057320), (8, 10550155), (10, 8440124), (11, 7672840), (14, 6028660), (20, 4220062), (22, 3836420), (28, 3014330), (35, 2411464), (40, 2110031), (44, 1918210), (55, 1534568), (56, 1507165), (67, 1259720), (70, 1205732), (77, 1096120), (88, 959105), (110, 767284), (134, 629860), (140, 602866), (154, 548060), (220, 383642), (268, 314930), (280, 301433), (308, 274030), (335, 251944), (385, 219224), (409, 206360), (440, 191821), (469, 179960), (536, 157465), (616, 137015), (670, 125972), (737, 114520), (770, 109612), (818, 103180), (938, 89980), (1340, 62986), (1474, 57260), (1540, 54806), (1636, 51590), (1876, 44990), (2045, 41272), (2345, 35992), (2680, 31493), (2863, 29480), (2948, 28630), (3080, 27403), (3272, 25795), (3685, 22904), (3752, 22495), (4090, 20636), (4499, 18760), (4690, 17996), (5159, 16360), (5726, 14740), (5896, 14315), (7370, 11452), (8180, 10318), (8998, 9380)]