21825480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 65836800

約数和(自身を除く): 44011320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 761, 956, 1195, 1434, 1522, 1912, 2283, 2390, 2868, 3044, 3585, 3805, 4566, 4780, 5736, 6088, 7170, 7610, 9132, 9560, 11415, 14340, 15220, 18264, 22830, 28680, 30440, 45660, 91320, 181879, 363758, 545637, 727516, 909395, 1091274, 1455032, 1818790, 2182548, 2728185, 3637580, 4365096, 5456370, 7275160, 10912740, 21825480]

約数ペア:

[(1, 21825480), (2, 10912740), (3, 7275160), (4, 5456370), (5, 4365096), (6, 3637580), (8, 2728185), (10, 2182548), (12, 1818790), (15, 1455032), (20, 1091274), (24, 909395), (30, 727516), (40, 545637), (60, 363758), (120, 181879), (239, 91320), (478, 45660), (717, 30440), (761, 28680), (956, 22830), (1195, 18264), (1434, 15220), (1522, 14340), (1912, 11415), (2283, 9560), (2390, 9132), (2868, 7610), (3044, 7170), (3585, 6088), (3805, 5736), (4566, 4780)]