72138080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2272

約数の個数: 96

約数和(自身を含む): 201579840

約数和(自身を除く): 129441760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 2030, 2221, 2320, 3248, 4060, 4442, 4640, 6496, 8120, 8884, 11105, 15547, 16240, 17768, 22210, 31094, 32480, 35536, 44420, 62188, 64409, 71072, 77735, 88840, 124376, 128818, 155470, 177680, 248752, 257636, 310940, 322045, 355360, 450863, 497504, 515272, 621880, 644090, 901726, 1030544, 1243760, 1288180, 1803452, 2061088, 2254315, 2487520, 2576360, 3606904, 4508630, 5152720, 7213808, 9017260, 10305440, 14427616, 18034520, 36069040, 72138080]

約数ペア:

[(1, 72138080), (2, 36069040), (4, 18034520), (5, 14427616), (7, 10305440), (8, 9017260), (10, 7213808), (14, 5152720), (16, 4508630), (20, 3606904), (28, 2576360), (29, 2487520), (32, 2254315), (35, 2061088), (40, 1803452), (56, 1288180), (58, 1243760), (70, 1030544), (80, 901726), (112, 644090), (116, 621880), (140, 515272), (145, 497504), (160, 450863), (203, 355360), (224, 322045), (232, 310940), (280, 257636), (290, 248752), (406, 177680), (464, 155470), (560, 128818), (580, 124376), (812, 88840), (928, 77735), (1015, 71072), (1120, 64409), (1160, 62188), (1624, 44420), (2030, 35536), (2221, 32480), (2320, 31094), (3248, 22210), (4060, 17768), (4442, 16240), (4640, 15547), (6496, 11105), (8120, 8884)]