1980651120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1178959}}^1$

素因数の和:1178982

約数の個数: 80

約数和(自身を含む): 7017169920

約数和(自身を除く): 5036518800

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, 1178959, 2357918, 3536877, 4715836, 5894795, 7073754, 8252713, 9431672, 11789590, 14147508, 16505426, 17684385, 18863344, 23579180, 24758139, 28295016, 33010852, 35368770, 41263565, 47158360, 49516278, 56590032, 66021704, 70737540, 82527130, 94316720, 99032556, 123790695, 132043408, 141475080, 165054260, 198065112, 247581390, 282950160, 330108520, 396130224, 495162780, 660217040, 990325560, 1980651120]

約数ペア:

[(1, 1980651120), (2, 990325560), (3, 660217040), (4, 495162780), (5, 396130224), (6, 330108520), (7, 282950160), (8, 247581390), (10, 198065112), (12, 165054260), (14, 141475080), (15, 132043408), (16, 123790695), (20, 99032556), (21, 94316720), (24, 82527130), (28, 70737540), (30, 66021704), (35, 56590032), (40, 49516278), (42, 47158360), (48, 41263565), (56, 35368770), (60, 33010852), (70, 28295016), (80, 24758139), (84, 23579180), (105, 18863344), (112, 17684385), (120, 16505426), (140, 14147508), (168, 11789590), (210, 9431672), (240, 8252713), (280, 7073754), (336, 5894795), (420, 4715836), (560, 3536877), (840, 2357918), (1680, 1178959)]