217604520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86351}}^1$

素因数の和:86375

約数の個数: 96

約数和(自身を含む): 808254720

約数和(自身を除く): 590650200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86351, 172702, 259053, 345404, 431755, 518106, 604457, 690808, 777159, 863510, 1036212, 1208914, 1295265, 1554318, 1727020, 1813371, 2072424, 2417828, 2590530, 3022285, 3108636, 3454040, 3626742, 3885795, 4835656, 5181060, 5440113, 6044570, 6217272, 7253484, 7771590, 9066855, 10362120, 10880226, 12089140, 14506968, 15543180, 18133710, 21760452, 24178280, 27200565, 31086360, 36267420, 43520904, 54401130, 72534840, 108802260, 217604520]

約数ペア:

[(1, 217604520), (2, 108802260), (3, 72534840), (4, 54401130), (5, 43520904), (6, 36267420), (7, 31086360), (8, 27200565), (9, 24178280), (10, 21760452), (12, 18133710), (14, 15543180), (15, 14506968), (18, 12089140), (20, 10880226), (21, 10362120), (24, 9066855), (28, 7771590), (30, 7253484), (35, 6217272), (36, 6044570), (40, 5440113), (42, 5181060), (45, 4835656), (56, 3885795), (60, 3626742), (63, 3454040), (70, 3108636), (72, 3022285), (84, 2590530), (90, 2417828), (105, 2072424), (120, 1813371), (126, 1727020), (140, 1554318), (168, 1295265), (180, 1208914), (210, 1036212), (252, 863510), (280, 777159), (315, 690808), (360, 604457), (420, 518106), (504, 431755), (630, 345404), (840, 259053), (1260, 172702), (2520, 86351)]