478968560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 1361912832

約数和(自身を除く): 882944272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 41, 46, 56, 70, 80, 82, 92, 112, 115, 140, 161, 164, 184, 205, 230, 280, 287, 322, 328, 368, 410, 460, 560, 574, 644, 656, 805, 820, 907, 920, 943, 1148, 1288, 1435, 1610, 1640, 1814, 1840, 1886, 2296, 2576, 2870, 3220, 3280, 3628, 3772, 4535, 4592, 4715, 5740, 6349, 6440, 6601, 7256, 7544, 9070, 9430, 11480, 12698, 12880, 13202, 14512, 15088, 18140, 18860, 20861, 22960, 25396, 26404, 31745, 33005, 36280, 37187, 37720, 41722, 50792, 52808, 63490, 66010, 72560, 74374, 75440, 83444, 101584, 104305, 105616, 126980, 132020, 146027, 148748, 166888, 185935, 208610, 253960, 260309, 264040, 292054, 297496, 333776, 371870, 417220, 507920, 520618, 528080, 584108, 594992, 730135, 743740, 834440, 855301, 1041236, 1168216, 1301545, 1460270, 1487480, 1668880, 1710602, 2082472, 2336432, 2603090, 2920540, 2974960, 3421204, 4164944, 4276505, 5206180, 5841080, 5987107, 6842408, 8553010, 10412360, 11682160, 11974214, 13684816, 17106020, 20824720, 23948428, 29935535, 34212040, 47896856, 59871070, 68424080, 95793712, 119742140, 239484280, 478968560]

約数ペア:

[(1, 478968560), (2, 239484280), (4, 119742140), (5, 95793712), (7, 68424080), (8, 59871070), (10, 47896856), (14, 34212040), (16, 29935535), (20, 23948428), (23, 20824720), (28, 17106020), (35, 13684816), (40, 11974214), (41, 11682160), (46, 10412360), (56, 8553010), (70, 6842408), (80, 5987107), (82, 5841080), (92, 5206180), (112, 4276505), (115, 4164944), (140, 3421204), (161, 2974960), (164, 2920540), (184, 2603090), (205, 2336432), (230, 2082472), (280, 1710602), (287, 1668880), (322, 1487480), (328, 1460270), (368, 1301545), (410, 1168216), (460, 1041236), (560, 855301), (574, 834440), (644, 743740), (656, 730135), (805, 594992), (820, 584108), (907, 528080), (920, 520618), (943, 507920), (1148, 417220), (1288, 371870), (1435, 333776), (1610, 297496), (1640, 292054), (1814, 264040), (1840, 260309), (1886, 253960), (2296, 208610), (2576, 185935), (2870, 166888), (3220, 148748), (3280, 146027), (3628, 132020), (3772, 126980), (4535, 105616), (4592, 104305), (4715, 101584), (5740, 83444), (6349, 75440), (6440, 74374), (6601, 72560), (7256, 66010), (7544, 63490), (9070, 52808), (9430, 50792), (11480, 41722), (12698, 37720), (12880, 37187), (13202, 36280), (14512, 33005), (15088, 31745), (18140, 26404), (18860, 25396), (20861, 22960)]