77703680

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 110855680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 239, 254, 256, 320, 478, 508, 512, 635, 640, 956, 1016, 1195, 1270, 1280, 1912, 2032, 2390, 2540, 2560, 3824, 4064, 4780, 5080, 7648, 8128, 9560, 10160, 15296, 16256, 19120, 20320, 30353, 30592, 32512, 38240, 40640, 60706, 61184, 65024, 76480, 81280, 121412, 122368, 151765, 152960, 162560, 242824, 303530, 305920, 325120, 485648, 607060, 611840, 971296, 1214120, 1942592, 2428240, 3885184, 4856480, 7770368, 9712960, 15540736, 19425920, 38851840, 77703680]

約数ペア:

[(1, 77703680), (2, 38851840), (4, 19425920), (5, 15540736), (8, 9712960), (10, 7770368), (16, 4856480), (20, 3885184), (32, 2428240), (40, 1942592), (64, 1214120), (80, 971296), (127, 611840), (128, 607060), (160, 485648), (239, 325120), (254, 305920), (256, 303530), (320, 242824), (478, 162560), (508, 152960), (512, 151765), (635, 122368), (640, 121412), (956, 81280), (1016, 76480), (1195, 65024), (1270, 61184), (1280, 60706), (1912, 40640), (2032, 38240), (2390, 32512), (2540, 30592), (2560, 30353), (3824, 20320), (4064, 19120), (4780, 16256), (5080, 15296), (7648, 10160), (8128, 9560)]