639945792

素因数分解:

$2^6\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2081

約数の個数: 112

約数和(自身を含む): 1891792000

約数和(自身を除く): 1251846208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 199, 216, 288, 398, 432, 576, 597, 796, 864, 1194, 1592, 1728, 1791, 1861, 2388, 3184, 3582, 3722, 4776, 5373, 5583, 6368, 7164, 7444, 9552, 10746, 11166, 12736, 14328, 14888, 16749, 19104, 21492, 22332, 28656, 29776, 33498, 38208, 42984, 44664, 50247, 57312, 59552, 66996, 85968, 89328, 100494, 114624, 119104, 133992, 171936, 178656, 200988, 267984, 343872, 357312, 370339, 401976, 535968, 740678, 803952, 1071936, 1111017, 1481356, 1607904, 2222034, 2962712, 3215808, 3333051, 4444068, 5925424, 6666102, 8888136, 9999153, 11850848, 13332204, 17776272, 19998306, 23701696, 26664408, 35552544, 39996612, 53328816, 71105088, 79993224, 106657632, 159986448, 213315264, 319972896, 639945792]

約数ペア:

[(1, 639945792), (2, 319972896), (3, 213315264), (4, 159986448), (6, 106657632), (8, 79993224), (9, 71105088), (12, 53328816), (16, 39996612), (18, 35552544), (24, 26664408), (27, 23701696), (32, 19998306), (36, 17776272), (48, 13332204), (54, 11850848), (64, 9999153), (72, 8888136), (96, 6666102), (108, 5925424), (144, 4444068), (192, 3333051), (199, 3215808), (216, 2962712), (288, 2222034), (398, 1607904), (432, 1481356), (576, 1111017), (597, 1071936), (796, 803952), (864, 740678), (1194, 535968), (1592, 401976), (1728, 370339), (1791, 357312), (1861, 343872), (2388, 267984), (3184, 200988), (3582, 178656), (3722, 171936), (4776, 133992), (5373, 119104), (5583, 114624), (6368, 100494), (7164, 89328), (7444, 85968), (9552, 66996), (10746, 59552), (11166, 57312), (12736, 50247), (14328, 44664), (14888, 42984), (16749, 38208), (19104, 33498), (21492, 29776), (22332, 28656)]