680562344

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 1659985920

約数和(自身を除く): 979423576

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 157, 217, 227, 248, 308, 314, 341, 434, 454, 616, 628, 682, 868, 908, 1099, 1256, 1364, 1589, 1727, 1736, 1816, 2198, 2387, 2497, 2728, 3178, 3454, 4396, 4774, 4867, 4994, 6356, 6908, 7037, 8792, 9548, 9734, 9988, 12089, 12712, 13816, 14074, 17479, 19096, 19468, 19976, 24178, 28148, 34069, 34958, 35639, 38936, 48356, 49259, 53537, 56296, 68138, 69916, 71278, 77407, 96712, 98518, 107074, 136276, 139832, 142556, 154814, 197036, 214148, 249473, 272552, 285112, 309628, 374759, 392029, 394072, 428296, 498946, 541849, 619256, 749518, 784058, 997892, 1083698, 1104809, 1499036, 1568116, 1995784, 2167396, 2209618, 2744203, 2998072, 3136232, 4334792, 4419236, 5488406, 7733663, 8838472, 10976812, 12152899, 15467326, 21953624, 24305798, 30934652, 48611596, 61869304, 85070293, 97223192, 170140586, 340281172, 680562344]

約数ペア:

[(1, 680562344), (2, 340281172), (4, 170140586), (7, 97223192), (8, 85070293), (11, 61869304), (14, 48611596), (22, 30934652), (28, 24305798), (31, 21953624), (44, 15467326), (56, 12152899), (62, 10976812), (77, 8838472), (88, 7733663), (124, 5488406), (154, 4419236), (157, 4334792), (217, 3136232), (227, 2998072), (248, 2744203), (308, 2209618), (314, 2167396), (341, 1995784), (434, 1568116), (454, 1499036), (616, 1104809), (628, 1083698), (682, 997892), (868, 784058), (908, 749518), (1099, 619256), (1256, 541849), (1364, 498946), (1589, 428296), (1727, 394072), (1736, 392029), (1816, 374759), (2198, 309628), (2387, 285112), (2497, 272552), (2728, 249473), (3178, 214148), (3454, 197036), (4396, 154814), (4774, 142556), (4867, 139832), (4994, 136276), (6356, 107074), (6908, 98518), (7037, 96712), (8792, 77407), (9548, 71278), (9734, 69916), (9988, 68138), (12089, 56296), (12712, 53537), (13816, 49259), (14074, 48356), (17479, 38936), (19096, 35639), (19468, 34958), (19976, 34069), (24178, 28148)]