655409520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12911

約数の個数: 120

約数和(自身を含む): 2232258912

約数和(自身を除く): 1576849392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 12821, 17040, 25560, 25642, 38463, 51120, 51284, 64105, 76926, 102568, 115389, 128210, 153852, 192315, 205136, 230778, 256420, 307704, 384630, 461556, 512840, 576945, 615408, 769260, 910291, 923112, 1025680, 1153890, 1538520, 1820582, 1846224, 2307780, 2730873, 3077040, 3641164, 4551455, 4615560, 5461746, 7282328, 8192619, 9102910, 9231120, 10923492, 13654365, 14564656, 16385238, 18205820, 21846984, 27308730, 32770476, 36411640, 40963095, 43693968, 54617460, 65540952, 72823280, 81926190, 109234920, 131081904, 163852380, 218469840, 327704760, 655409520]

約数ペア:

[(1, 655409520), (2, 327704760), (3, 218469840), (4, 163852380), (5, 131081904), (6, 109234920), (8, 81926190), (9, 72823280), (10, 65540952), (12, 54617460), (15, 43693968), (16, 40963095), (18, 36411640), (20, 32770476), (24, 27308730), (30, 21846984), (36, 18205820), (40, 16385238), (45, 14564656), (48, 13654365), (60, 10923492), (71, 9231120), (72, 9102910), (80, 8192619), (90, 7282328), (120, 5461746), (142, 4615560), (144, 4551455), (180, 3641164), (213, 3077040), (240, 2730873), (284, 2307780), (355, 1846224), (360, 1820582), (426, 1538520), (568, 1153890), (639, 1025680), (710, 923112), (720, 910291), (852, 769260), (1065, 615408), (1136, 576945), (1278, 512840), (1420, 461556), (1704, 384630), (2130, 307704), (2556, 256420), (2840, 230778), (3195, 205136), (3408, 192315), (4260, 153852), (5112, 128210), (5680, 115389), (6390, 102568), (8520, 76926), (10224, 64105), (12780, 51284), (12821, 51120), (17040, 38463), (25560, 25642)]