661621920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33619}}^1$

素因数の和:33678

約数の個数: 96

約数和(自身を含む): 2135004480

約数和(自身を除く): 1473382560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1640, 1968, 2460, 3280, 3936, 4920, 6560, 9840, 19680, 33619, 67238, 100857, 134476, 168095, 201714, 268952, 336190, 403428, 504285, 537904, 672380, 806856, 1008570, 1075808, 1344760, 1378379, 1613712, 2017140, 2689520, 2756758, 3227424, 4034280, 4135137, 5379040, 5513516, 6891895, 8068560, 8270274, 11027032, 13783790, 16137120, 16540548, 20675685, 22054064, 27567580, 33081096, 41351370, 44108128, 55135160, 66162192, 82702740, 110270320, 132324384, 165405480, 220540640, 330810960, 661621920]

約数ペア:

[(1, 661621920), (2, 330810960), (3, 220540640), (4, 165405480), (5, 132324384), (6, 110270320), (8, 82702740), (10, 66162192), (12, 55135160), (15, 44108128), (16, 41351370), (20, 33081096), (24, 27567580), (30, 22054064), (32, 20675685), (40, 16540548), (41, 16137120), (48, 13783790), (60, 11027032), (80, 8270274), (82, 8068560), (96, 6891895), (120, 5513516), (123, 5379040), (160, 4135137), (164, 4034280), (205, 3227424), (240, 2756758), (246, 2689520), (328, 2017140), (410, 1613712), (480, 1378379), (492, 1344760), (615, 1075808), (656, 1008570), (820, 806856), (984, 672380), (1230, 537904), (1312, 504285), (1640, 403428), (1968, 336190), (2460, 268952), (3280, 201714), (3936, 168095), (4920, 134476), (6560, 100857), (9840, 67238), (19680, 33619)]