172980720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21841}}^1$

素因数の和:21871

約数の個数: 120

約数和(自身を含む): 633767472

約数和(自身を除く): 460786752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 21841, 43682, 65523, 87364, 109205, 131046, 174728, 196569, 218410, 240251, 262092, 327615, 349456, 393138, 436820, 480502, 524184, 655230, 720753, 786276, 873640, 961004, 982845, 1048368, 1201255, 1310460, 1441506, 1572552, 1747280, 1922008, 1965690, 2162259, 2402510, 2620920, 2883012, 3145104, 3603765, 3844016, 3931380, 4324518, 4805020, 5241840, 5766024, 7207530, 7862760, 8649036, 9610040, 10811295, 11532048, 14415060, 15725520, 17298072, 19220080, 21622590, 28830120, 34596144, 43245180, 57660240, 86490360, 172980720]

約数ペア:

[(1, 172980720), (2, 86490360), (3, 57660240), (4, 43245180), (5, 34596144), (6, 28830120), (8, 21622590), (9, 19220080), (10, 17298072), (11, 15725520), (12, 14415060), (15, 11532048), (16, 10811295), (18, 9610040), (20, 8649036), (22, 7862760), (24, 7207530), (30, 5766024), (33, 5241840), (36, 4805020), (40, 4324518), (44, 3931380), (45, 3844016), (48, 3603765), (55, 3145104), (60, 2883012), (66, 2620920), (72, 2402510), (80, 2162259), (88, 1965690), (90, 1922008), (99, 1747280), (110, 1572552), (120, 1441506), (132, 1310460), (144, 1201255), (165, 1048368), (176, 982845), (180, 961004), (198, 873640), (220, 786276), (240, 720753), (264, 655230), (330, 524184), (360, 480502), (396, 436820), (440, 393138), (495, 349456), (528, 327615), (660, 262092), (720, 240251), (792, 218410), (880, 196569), (990, 174728), (1320, 131046), (1584, 109205), (1980, 87364), (2640, 65523), (3960, 43682), (7920, 21841)]