221056080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131581}}^1$

素因数の和:131604

約数の個数: 80

約数和(自身を含む): 783176064

約数和(自身を除く): 562119984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131581, 263162, 394743, 526324, 657905, 789486, 921067, 1052648, 1315810, 1578972, 1842134, 1973715, 2105296, 2631620, 2763201, 3157944, 3684268, 3947430, 4605335, 5263240, 5526402, 6315888, 7368536, 7894860, 9210670, 10526480, 11052804, 13816005, 14737072, 15789720, 18421340, 22105608, 27632010, 31579440, 36842680, 44211216, 55264020, 73685360, 110528040, 221056080]

約数ペア:

[(1, 221056080), (2, 110528040), (3, 73685360), (4, 55264020), (5, 44211216), (6, 36842680), (7, 31579440), (8, 27632010), (10, 22105608), (12, 18421340), (14, 15789720), (15, 14737072), (16, 13816005), (20, 11052804), (21, 10526480), (24, 9210670), (28, 7894860), (30, 7368536), (35, 6315888), (40, 5526402), (42, 5263240), (48, 4605335), (56, 3947430), (60, 3684268), (70, 3157944), (80, 2763201), (84, 2631620), (105, 2105296), (112, 1973715), (120, 1842134), (140, 1578972), (168, 1315810), (210, 1052648), (240, 921067), (280, 789486), (336, 657905), (420, 526324), (560, 394743), (840, 263162), (1680, 131581)]