31890120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{907}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 96102720

約数和(自身を除く): 64212600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 879, 907, 1172, 1465, 1758, 1814, 2344, 2721, 2930, 3516, 3628, 4395, 4535, 5442, 5860, 7032, 7256, 8790, 9070, 10884, 11720, 13605, 17580, 18140, 21768, 27210, 35160, 36280, 54420, 108840, 265751, 531502, 797253, 1063004, 1328755, 1594506, 2126008, 2657510, 3189012, 3986265, 5315020, 6378024, 7972530, 10630040, 15945060, 31890120]

約数ペア:

[(1, 31890120), (2, 15945060), (3, 10630040), (4, 7972530), (5, 6378024), (6, 5315020), (8, 3986265), (10, 3189012), (12, 2657510), (15, 2126008), (20, 1594506), (24, 1328755), (30, 1063004), (40, 797253), (60, 531502), (120, 265751), (293, 108840), (586, 54420), (879, 36280), (907, 35160), (1172, 27210), (1465, 21768), (1758, 18140), (1814, 17580), (2344, 13605), (2721, 11720), (2930, 10884), (3516, 9070), (3628, 8790), (4395, 7256), (4535, 7032), (5442, 5860)]