1998517248

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2429

約数の個数: 264

約数和(自身を含む): 7105349888

約数和(自身を除く): 5106832640

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 512, 546, 576, 624, 672, 728, 768, 819, 832, 896, 936, 1008, 1024, 1092, 1152, 1248, 1344, 1456, 1536, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2383, 2496, 2688, 2912, 3072, 3276, 3328, 3584, 3744, 4032, 4368, 4608, 4766, 4992, 5376, 5824, 6552, 6656, 7149, 7168, 7488, 8064, 8736, 9216, 9532, 9984, 10752, 11648, 13104, 13312, 14298, 14976, 16128, 16681, 17472, 19064, 19968, 21447, 21504, 23296, 26208, 28596, 29952, 30979, 32256, 33362, 34944, 38128, 39936, 42894, 46592, 50043, 52416, 57192, 59904, 61958, 64512, 66724, 69888, 76256, 85788, 92937, 93184, 100086, 104832, 114384, 119808, 123916, 133448, 139776, 150129, 152512, 171576, 185874, 200172, 209664, 216853, 228768, 247832, 266896, 278811, 279552, 300258, 305024, 343152, 371748, 400344, 419328, 433706, 457536, 495664, 533792, 557622, 600516, 610048, 650559, 686304, 743496, 800688, 838656, 867412, 915072, 991328, 1067584, 1115244, 1201032, 1220096, 1301118, 1372608, 1486992, 1601376, 1734824, 1830144, 1951677, 1982656, 2135168, 2230488, 2402064, 2440192, 2602236, 2745216, 2973984, 3202752, 3469648, 3660288, 3903354, 3965312, 4270336, 4460976, 4804128, 5204472, 5490432, 5947968, 6405504, 6939296, 7320576, 7806708, 7930624, 8540672, 8921952, 9608256, 10408944, 10980864, 11895936, 12811008, 13878592, 15613416, 15861248, 17081344, 17843904, 19216512, 20817888, 21961728, 23791872, 25622016, 27757184, 31226832, 31722496, 35687808, 38433024, 41635776, 47583744, 51244032, 55514368, 62453664, 71375616, 76866048, 83271552, 95167488, 111028736, 124907328, 142751232, 153732096, 166543104, 222057472, 249814656, 285502464, 333086208, 499629312, 666172416, 999258624, 1998517248]

約数ペア:

[(1, 1998517248), (2, 999258624), (3, 666172416), (4, 499629312), (6, 333086208), (7, 285502464), (8, 249814656), (9, 222057472), (12, 166543104), (13, 153732096), (14, 142751232), (16, 124907328), (18, 111028736), (21, 95167488), (24, 83271552), (26, 76866048), (28, 71375616), (32, 62453664), (36, 55514368), (39, 51244032), (42, 47583744), (48, 41635776), (52, 38433024), (56, 35687808), (63, 31722496), (64, 31226832), (72, 27757184), (78, 25622016), (84, 23791872), (91, 21961728), (96, 20817888), (104, 19216512), (112, 17843904), (117, 17081344), (126, 15861248), (128, 15613416), (144, 13878592), (156, 12811008), (168, 11895936), (182, 10980864), (192, 10408944), (208, 9608256), (224, 8921952), (234, 8540672), (252, 7930624), (256, 7806708), (273, 7320576), (288, 6939296), (312, 6405504), (336, 5947968), (364, 5490432), (384, 5204472), (416, 4804128), (448, 4460976), (468, 4270336), (504, 3965312), (512, 3903354), (546, 3660288), (576, 3469648), (624, 3202752), (672, 2973984), (728, 2745216), (768, 2602236), (819, 2440192), (832, 2402064), (896, 2230488), (936, 2135168), (1008, 1982656), (1024, 1951677), (1092, 1830144), (1152, 1734824), (1248, 1601376), (1344, 1486992), (1456, 1372608), (1536, 1301118), (1638, 1220096), (1664, 1201032), (1792, 1115244), (1872, 1067584), (2016, 991328), (2184, 915072), (2304, 867412), (2383, 838656), (2496, 800688), (2688, 743496), (2912, 686304), (3072, 650559), (3276, 610048), (3328, 600516), (3584, 557622), (3744, 533792), (4032, 495664), (4368, 457536), (4608, 433706), (4766, 419328), (4992, 400344), (5376, 371748), (5824, 343152), (6552, 305024), (6656, 300258), (7149, 279552), (7168, 278811), (7488, 266896), (8064, 247832), (8736, 228768), (9216, 216853), (9532, 209664), (9984, 200172), (10752, 185874), (11648, 171576), (13104, 152512), (13312, 150129), (14298, 139776), (14976, 133448), (16128, 123916), (16681, 119808), (17472, 114384), (19064, 104832), (19968, 100086), (21447, 93184), (21504, 92937), (23296, 85788), (26208, 76256), (28596, 69888), (29952, 66724), (30979, 64512), (32256, 61958), (33362, 59904), (34944, 57192), (38128, 52416), (39936, 50043), (42894, 46592)]