405969408

素因数分解:

$2^9\times 3^5\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 1313728416

約数和(自身を除く): 907759008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 251, 256, 288, 312, 324, 351, 384, 416, 432, 468, 486, 502, 512, 576, 624, 648, 702, 753, 768, 832, 864, 936, 972, 1004, 1053, 1152, 1248, 1296, 1404, 1506, 1536, 1664, 1728, 1872, 1944, 2008, 2106, 2259, 2304, 2496, 2592, 2808, 3012, 3159, 3263, 3328, 3456, 3744, 3888, 4016, 4212, 4518, 4608, 4992, 5184, 5616, 6024, 6318, 6526, 6656, 6777, 6912, 7488, 7776, 8032, 8424, 9036, 9789, 9984, 10368, 11232, 12048, 12636, 13052, 13554, 13824, 14976, 15552, 16064, 16848, 18072, 19578, 19968, 20331, 20736, 22464, 24096, 25272, 26104, 27108, 29367, 29952, 31104, 32128, 33696, 36144, 39156, 40662, 41472, 44928, 48192, 50544, 52208, 54216, 58734, 59904, 60993, 62208, 64256, 67392, 72288, 78312, 81324, 88101, 89856, 96384, 101088, 104416, 108432, 117468, 121986, 124416, 128512, 134784, 144576, 156624, 162648, 176202, 179712, 192768, 202176, 208832, 216864, 234936, 243972, 264303, 269568, 289152, 313248, 325296, 352404, 385536, 404352, 417664, 433728, 469872, 487944, 528606, 539136, 578304, 626496, 650592, 704808, 792909, 808704, 835328, 867456, 939744, 975888, 1057212, 1156608, 1252992, 1301184, 1409616, 1585818, 1617408, 1670656, 1734912, 1879488, 1951776, 2114424, 2505984, 2602368, 2819232, 3171636, 3469824, 3758976, 3903552, 4228848, 5011968, 5204736, 5638464, 6343272, 7517952, 7807104, 8457696, 10409472, 11276928, 12686544, 15035904, 15614208, 16915392, 22553856, 25373088, 31228416, 33830784, 45107712, 50746176, 67661568, 101492352, 135323136, 202984704, 405969408]

約数ペア:

[(1, 405969408), (2, 202984704), (3, 135323136), (4, 101492352), (6, 67661568), (8, 50746176), (9, 45107712), (12, 33830784), (13, 31228416), (16, 25373088), (18, 22553856), (24, 16915392), (26, 15614208), (27, 15035904), (32, 12686544), (36, 11276928), (39, 10409472), (48, 8457696), (52, 7807104), (54, 7517952), (64, 6343272), (72, 5638464), (78, 5204736), (81, 5011968), (96, 4228848), (104, 3903552), (108, 3758976), (117, 3469824), (128, 3171636), (144, 2819232), (156, 2602368), (162, 2505984), (192, 2114424), (208, 1951776), (216, 1879488), (234, 1734912), (243, 1670656), (251, 1617408), (256, 1585818), (288, 1409616), (312, 1301184), (324, 1252992), (351, 1156608), (384, 1057212), (416, 975888), (432, 939744), (468, 867456), (486, 835328), (502, 808704), (512, 792909), (576, 704808), (624, 650592), (648, 626496), (702, 578304), (753, 539136), (768, 528606), (832, 487944), (864, 469872), (936, 433728), (972, 417664), (1004, 404352), (1053, 385536), (1152, 352404), (1248, 325296), (1296, 313248), (1404, 289152), (1506, 269568), (1536, 264303), (1664, 243972), (1728, 234936), (1872, 216864), (1944, 208832), (2008, 202176), (2106, 192768), (2259, 179712), (2304, 176202), (2496, 162648), (2592, 156624), (2808, 144576), (3012, 134784), (3159, 128512), (3263, 124416), (3328, 121986), (3456, 117468), (3744, 108432), (3888, 104416), (4016, 101088), (4212, 96384), (4518, 89856), (4608, 88101), (4992, 81324), (5184, 78312), (5616, 72288), (6024, 67392), (6318, 64256), (6526, 62208), (6656, 60993), (6777, 59904), (6912, 58734), (7488, 54216), (7776, 52208), (8032, 50544), (8424, 48192), (9036, 44928), (9789, 41472), (9984, 40662), (10368, 39156), (11232, 36144), (12048, 33696), (12636, 32128), (13052, 31104), (13554, 29952), (13824, 29367), (14976, 27108), (15552, 26104), (16064, 25272), (16848, 24096), (18072, 22464), (19578, 20736), (19968, 20331)]