78922880

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 190356480

約数和(自身を除く): 111433600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 971, 1016, 1270, 1942, 2032, 2540, 3884, 4064, 4855, 5080, 7768, 8128, 9710, 10160, 15536, 16256, 19420, 20320, 31072, 38840, 40640, 62144, 77680, 81280, 123317, 124288, 155360, 246634, 310720, 493268, 616585, 621440, 986536, 1233170, 1973072, 2466340, 3946144, 4932680, 7892288, 9865360, 15784576, 19730720, 39461440, 78922880]

約数ペア:

[(1, 78922880), (2, 39461440), (4, 19730720), (5, 15784576), (8, 9865360), (10, 7892288), (16, 4932680), (20, 3946144), (32, 2466340), (40, 1973072), (64, 1233170), (80, 986536), (127, 621440), (128, 616585), (160, 493268), (254, 310720), (320, 246634), (508, 155360), (635, 124288), (640, 123317), (971, 81280), (1016, 77680), (1270, 62144), (1942, 40640), (2032, 38840), (2540, 31072), (3884, 20320), (4064, 19420), (4855, 16256), (5080, 15536), (7768, 10160), (8128, 9710)]