17980160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 47020176

約数和(自身を除く): 29040016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1277, 1280, 1408, 1760, 2554, 2816, 3520, 5108, 6385, 7040, 10216, 12770, 14047, 14080, 20432, 25540, 28094, 40864, 51080, 56188, 70235, 81728, 102160, 112376, 140470, 163456, 204320, 224752, 280940, 326912, 408640, 449504, 561880, 817280, 899008, 1123760, 1634560, 1798016, 2247520, 3596032, 4495040, 8990080, 17980160]

約数ペア:

[(1, 17980160), (2, 8990080), (4, 4495040), (5, 3596032), (8, 2247520), (10, 1798016), (11, 1634560), (16, 1123760), (20, 899008), (22, 817280), (32, 561880), (40, 449504), (44, 408640), (55, 326912), (64, 280940), (80, 224752), (88, 204320), (110, 163456), (128, 140470), (160, 112376), (176, 102160), (220, 81728), (256, 70235), (320, 56188), (352, 51080), (440, 40864), (640, 28094), (704, 25540), (880, 20432), (1277, 14080), (1280, 14047), (1408, 12770), (1760, 10216), (2554, 7040), (2816, 6385), (3520, 5108)]