203670320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{991}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 543203328

約数和(自身を除く): 339533008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 991, 1468, 1835, 1982, 2569, 2936, 3670, 3964, 4955, 5138, 5872, 6937, 7340, 7928, 9910, 10276, 12845, 13874, 14680, 15856, 19820, 20552, 25690, 27748, 29360, 34685, 39640, 41104, 51380, 55496, 69370, 79280, 102760, 110992, 138740, 205520, 277480, 363697, 554960, 727394, 1454788, 1818485, 2545879, 2909576, 3636970, 5091758, 5819152, 7273940, 10183516, 12729395, 14547880, 20367032, 25458790, 29095760, 40734064, 50917580, 101835160, 203670320]

約数ペア:

[(1, 203670320), (2, 101835160), (4, 50917580), (5, 40734064), (7, 29095760), (8, 25458790), (10, 20367032), (14, 14547880), (16, 12729395), (20, 10183516), (28, 7273940), (35, 5819152), (40, 5091758), (56, 3636970), (70, 2909576), (80, 2545879), (112, 1818485), (140, 1454788), (280, 727394), (367, 554960), (560, 363697), (734, 277480), (991, 205520), (1468, 138740), (1835, 110992), (1982, 102760), (2569, 79280), (2936, 69370), (3670, 55496), (3964, 51380), (4955, 41104), (5138, 39640), (5872, 34685), (6937, 29360), (7340, 27748), (7928, 25690), (9910, 20552), (10276, 19820), (12845, 15856), (13874, 14680)]