256186080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{177907}}^1$

素因数の和:177928

約数の個数: 72

約数和(自身を含む): 874239912

約数和(自身を除く): 618053832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 177907, 355814, 533721, 711628, 889535, 1067442, 1423256, 1601163, 1779070, 2134884, 2668605, 2846512, 3202326, 3558140, 4269768, 5337210, 5693024, 6404652, 7116280, 8005815, 8539536, 10674420, 12809304, 14232560, 16011630, 17079072, 21348840, 25618608, 28465120, 32023260, 42697680, 51237216, 64046520, 85395360, 128093040, 256186080]

約数ペア:

[(1, 256186080), (2, 128093040), (3, 85395360), (4, 64046520), (5, 51237216), (6, 42697680), (8, 32023260), (9, 28465120), (10, 25618608), (12, 21348840), (15, 17079072), (16, 16011630), (18, 14232560), (20, 12809304), (24, 10674420), (30, 8539536), (32, 8005815), (36, 7116280), (40, 6404652), (45, 5693024), (48, 5337210), (60, 4269768), (72, 3558140), (80, 3202326), (90, 2846512), (96, 2668605), (120, 2134884), (144, 1779070), (160, 1601163), (180, 1423256), (240, 1067442), (288, 889535), (360, 711628), (480, 533721), (720, 355814), (1440, 177907)]