205300080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285139}}^1$

素因数の和:285158

約数の個数: 60

約数和(自身を含む): 689468520

約数和(自身を除く): 484168440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285139, 570278, 855417, 1140556, 1425695, 1710834, 2281112, 2566251, 2851390, 3421668, 4277085, 4562224, 5132502, 5702780, 6843336, 8554170, 10265004, 11405560, 12831255, 13686672, 17108340, 20530008, 22811120, 25662510, 34216680, 41060016, 51325020, 68433360, 102650040, 205300080]

約数ペア:

[(1, 205300080), (2, 102650040), (3, 68433360), (4, 51325020), (5, 41060016), (6, 34216680), (8, 25662510), (9, 22811120), (10, 20530008), (12, 17108340), (15, 13686672), (16, 12831255), (18, 11405560), (20, 10265004), (24, 8554170), (30, 6843336), (36, 5702780), (40, 5132502), (45, 4562224), (48, 4277085), (60, 3421668), (72, 2851390), (80, 2566251), (90, 2281112), (120, 1710834), (144, 1425695), (180, 1140556), (240, 855417), (360, 570278), (720, 285139)]