1280491776

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29251}}^1$

素因数の和:29292

約数の個数: 108

約数和(自身を含む): 3886420720

約数和(自身を除く): 2605928944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 576, 608, 684, 768, 912, 1152, 1216, 1368, 1824, 2304, 2432, 2736, 3648, 4864, 5472, 7296, 10944, 14592, 21888, 29251, 43776, 58502, 87753, 117004, 175506, 234008, 263259, 351012, 468016, 526518, 555769, 702024, 936032, 1053036, 1111538, 1404048, 1667307, 1872064, 2106072, 2223076, 2808096, 3334614, 3744128, 4212144, 4446152, 5001921, 5616192, 6669228, 7488256, 8424288, 8892304, 10003842, 11232384, 13338456, 16848576, 17784608, 20007684, 22464768, 26676912, 33697152, 35569216, 40015368, 53353824, 67394304, 71138432, 80030736, 106707648, 142276864, 160061472, 213415296, 320122944, 426830592, 640245888, 1280491776]

約数ペア:

[(1, 1280491776), (2, 640245888), (3, 426830592), (4, 320122944), (6, 213415296), (8, 160061472), (9, 142276864), (12, 106707648), (16, 80030736), (18, 71138432), (19, 67394304), (24, 53353824), (32, 40015368), (36, 35569216), (38, 33697152), (48, 26676912), (57, 22464768), (64, 20007684), (72, 17784608), (76, 16848576), (96, 13338456), (114, 11232384), (128, 10003842), (144, 8892304), (152, 8424288), (171, 7488256), (192, 6669228), (228, 5616192), (256, 5001921), (288, 4446152), (304, 4212144), (342, 3744128), (384, 3334614), (456, 2808096), (576, 2223076), (608, 2106072), (684, 1872064), (768, 1667307), (912, 1404048), (1152, 1111538), (1216, 1053036), (1368, 936032), (1824, 702024), (2304, 555769), (2432, 526518), (2736, 468016), (3648, 351012), (4864, 263259), (5472, 234008), (7296, 175506), (10944, 117004), (14592, 87753), (21888, 58502), (29251, 43776)]