64847280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1894

約数の個数: 80

約数和(自身を含む): 202424544

約数和(自身を除く): 137577264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1721, 1884, 2355, 2512, 3140, 3442, 3768, 4710, 5163, 6280, 6884, 7536, 8605, 9420, 10326, 12560, 13768, 17210, 18840, 20652, 25815, 27536, 34420, 37680, 41304, 51630, 68840, 82608, 103260, 137680, 206520, 270197, 413040, 540394, 810591, 1080788, 1350985, 1621182, 2161576, 2701970, 3242364, 4052955, 4323152, 5403940, 6484728, 8105910, 10807880, 12969456, 16211820, 21615760, 32423640, 64847280]

約数ペア:

[(1, 64847280), (2, 32423640), (3, 21615760), (4, 16211820), (5, 12969456), (6, 10807880), (8, 8105910), (10, 6484728), (12, 5403940), (15, 4323152), (16, 4052955), (20, 3242364), (24, 2701970), (30, 2161576), (40, 1621182), (48, 1350985), (60, 1080788), (80, 810591), (120, 540394), (157, 413040), (240, 270197), (314, 206520), (471, 137680), (628, 103260), (785, 82608), (942, 68840), (1256, 51630), (1570, 41304), (1721, 37680), (1884, 34420), (2355, 27536), (2512, 25815), (3140, 20652), (3442, 18840), (3768, 17210), (4710, 13768), (5163, 12560), (6280, 10326), (6884, 9420), (7536, 8605)]