215961984

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 744192000

約数和(自身を除く): 528230016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 79, 84, 96, 108, 112, 113, 126, 128, 144, 158, 168, 189, 192, 216, 224, 226, 237, 252, 288, 316, 336, 339, 378, 384, 432, 448, 452, 474, 504, 553, 576, 632, 672, 678, 711, 756, 791, 864, 896, 904, 948, 1008, 1017, 1106, 1152, 1264, 1344, 1356, 1422, 1512, 1582, 1659, 1728, 1808, 1896, 2016, 2034, 2133, 2212, 2373, 2528, 2688, 2712, 2844, 3024, 3051, 3164, 3318, 3456, 3616, 3792, 4032, 4068, 4266, 4424, 4746, 4977, 5056, 5424, 5688, 6048, 6102, 6328, 6636, 7119, 7232, 7584, 8064, 8136, 8532, 8848, 8927, 9492, 9954, 10112, 10848, 11376, 12096, 12204, 12656, 13272, 14238, 14464, 14931, 15168, 16272, 17064, 17696, 17854, 18984, 19908, 21357, 21696, 22752, 24192, 24408, 25312, 26544, 26781, 28476, 29862, 30336, 32544, 34128, 35392, 35708, 37968, 39816, 42714, 43392, 45504, 48816, 50624, 53088, 53562, 56952, 59724, 62489, 65088, 68256, 70784, 71416, 75936, 79632, 80343, 85428, 91008, 97632, 101248, 106176, 107124, 113904, 119448, 124978, 130176, 136512, 142832, 151872, 159264, 160686, 170856, 187467, 195264, 212352, 214248, 227808, 238896, 241029, 249956, 273024, 285664, 303744, 318528, 321372, 341712, 374934, 390528, 428496, 455616, 477792, 482058, 499912, 562401, 571328, 637056, 642744, 683424, 749868, 856992, 911232, 955584, 964116, 999824, 1124802, 1142656, 1285488, 1366848, 1499736, 1687203, 1713984, 1911168, 1928232, 1999648, 2249604, 2570976, 2733696, 2999472, 3374406, 3427968, 3856464, 3999296, 4499208, 5141952, 5998944, 6748812, 7712928, 7998592, 8998416, 10283904, 11997888, 13497624, 15425856, 17996832, 23995776, 26995248, 30851712, 35993664, 53990496, 71987328, 107980992, 215961984]

約数ペア:

[(1, 215961984), (2, 107980992), (3, 71987328), (4, 53990496), (6, 35993664), (7, 30851712), (8, 26995248), (9, 23995776), (12, 17996832), (14, 15425856), (16, 13497624), (18, 11997888), (21, 10283904), (24, 8998416), (27, 7998592), (28, 7712928), (32, 6748812), (36, 5998944), (42, 5141952), (48, 4499208), (54, 3999296), (56, 3856464), (63, 3427968), (64, 3374406), (72, 2999472), (79, 2733696), (84, 2570976), (96, 2249604), (108, 1999648), (112, 1928232), (113, 1911168), (126, 1713984), (128, 1687203), (144, 1499736), (158, 1366848), (168, 1285488), (189, 1142656), (192, 1124802), (216, 999824), (224, 964116), (226, 955584), (237, 911232), (252, 856992), (288, 749868), (316, 683424), (336, 642744), (339, 637056), (378, 571328), (384, 562401), (432, 499912), (448, 482058), (452, 477792), (474, 455616), (504, 428496), (553, 390528), (576, 374934), (632, 341712), (672, 321372), (678, 318528), (711, 303744), (756, 285664), (791, 273024), (864, 249956), (896, 241029), (904, 238896), (948, 227808), (1008, 214248), (1017, 212352), (1106, 195264), (1152, 187467), (1264, 170856), (1344, 160686), (1356, 159264), (1422, 151872), (1512, 142832), (1582, 136512), (1659, 130176), (1728, 124978), (1808, 119448), (1896, 113904), (2016, 107124), (2034, 106176), (2133, 101248), (2212, 97632), (2373, 91008), (2528, 85428), (2688, 80343), (2712, 79632), (2844, 75936), (3024, 71416), (3051, 70784), (3164, 68256), (3318, 65088), (3456, 62489), (3616, 59724), (3792, 56952), (4032, 53562), (4068, 53088), (4266, 50624), (4424, 48816), (4746, 45504), (4977, 43392), (5056, 42714), (5424, 39816), (5688, 37968), (6048, 35708), (6102, 35392), (6328, 34128), (6636, 32544), (7119, 30336), (7232, 29862), (7584, 28476), (8064, 26781), (8136, 26544), (8532, 25312), (8848, 24408), (8927, 24192), (9492, 22752), (9954, 21696), (10112, 21357), (10848, 19908), (11376, 18984), (12096, 17854), (12204, 17696), (12656, 17064), (13272, 16272), (14238, 15168), (14464, 14931)]