71920640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1313

約数の個数: 88

約数和(自身を含む): 188356752

約数和(自身を除く): 116436112

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, 512, 640, 704, 880, 1024, 1277, 1280, 1408, 1760, 2554, 2560, 2816, 3520, 5108, 5120, 5632, 6385, 7040, 10216, 11264, 12770, 14047, 14080, 20432, 25540, 28094, 28160, 40864, 51080, 56188, 56320, 70235, 81728, 102160, 112376, 140470, 163456, 204320, 224752, 280940, 326912, 408640, 449504, 561880, 653824, 817280, 899008, 1123760, 1307648, 1634560, 1798016, 2247520, 3269120, 3596032, 4495040, 6538240, 7192064, 8990080, 14384128, 17980160, 35960320, 71920640]

約数ペア:

[(1, 71920640), (2, 35960320), (4, 17980160), (5, 14384128), (8, 8990080), (10, 7192064), (11, 6538240), (16, 4495040), (20, 3596032), (22, 3269120), (32, 2247520), (40, 1798016), (44, 1634560), (55, 1307648), (64, 1123760), (80, 899008), (88, 817280), (110, 653824), (128, 561880), (160, 449504), (176, 408640), (220, 326912), (256, 280940), (320, 224752), (352, 204320), (440, 163456), (512, 140470), (640, 112376), (704, 102160), (880, 81728), (1024, 70235), (1277, 56320), (1280, 56188), (1408, 51080), (1760, 40864), (2554, 28160), (2560, 28094), (2816, 25540), (3520, 20432), (5108, 14080), (5120, 14047), (5632, 12770), (6385, 11264), (7040, 10216)]