663168240

素因数分解:

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

素因数の和:131607

約数の個数: 120

約数和(自身を含む): 2545322208

約数和(自身を除く): 1882153968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 131581, 263162, 394743, 526324, 657905, 789486, 921067, 1052648, 1184229, 1315810, 1578972, 1842134, 1973715, 2105296, 2368458, 2631620, 2763201, 3157944, 3684268, 3947430, 4605335, 4736916, 5263240, 5526402, 5921145, 6315888, 7368536, 7894860, 8289603, 9210670, 9473832, 10526480, 11052804, 11842290, 13816005, 14737072, 15789720, 16579206, 18421340, 18947664, 22105608, 23684580, 27632010, 31579440, 33158412, 36842680, 41448015, 44211216, 47369160, 55264020, 66316824, 73685360, 82896030, 94738320, 110528040, 132633648, 165792060, 221056080, 331584120, 663168240]

約数ペア:

[(1, 663168240), (2, 331584120), (3, 221056080), (4, 165792060), (5, 132633648), (6, 110528040), (7, 94738320), (8, 82896030), (9, 73685360), (10, 66316824), (12, 55264020), (14, 47369160), (15, 44211216), (16, 41448015), (18, 36842680), (20, 33158412), (21, 31579440), (24, 27632010), (28, 23684580), (30, 22105608), (35, 18947664), (36, 18421340), (40, 16579206), (42, 15789720), (45, 14737072), (48, 13816005), (56, 11842290), (60, 11052804), (63, 10526480), (70, 9473832), (72, 9210670), (80, 8289603), (84, 7894860), (90, 7368536), (105, 6315888), (112, 5921145), (120, 5526402), (126, 5263240), (140, 4736916), (144, 4605335), (168, 3947430), (180, 3684268), (210, 3157944), (240, 2763201), (252, 2631620), (280, 2368458), (315, 2105296), (336, 1973715), (360, 1842134), (420, 1578972), (504, 1315810), (560, 1184229), (630, 1052648), (720, 921067), (840, 789486), (1008, 657905), (1260, 526324), (1680, 394743), (2520, 263162), (5040, 131581)]