641927664

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20543}}^1$

素因数の和:20595

約数の個数: 120

約数和(自身を含む): 2119483392

約数和(自身を除く): 1477555728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 7812, 10416, 15624, 20543, 31248, 41086, 61629, 82172, 123258, 143801, 164344, 184887, 246516, 287602, 328688, 369774, 431403, 493032, 575204, 636833, 739548, 862806, 986064, 1150408, 1273666, 1294209, 1479096, 1725612, 1910499, 2300816, 2547332, 2588418, 2958192, 3451224, 3820998, 4457831, 5094664, 5176836, 5731497, 6902448, 7641996, 8915662, 10189328, 10353672, 11462994, 13373493, 15283992, 17831324, 20707344, 22925988, 26746986, 30567984, 35662648, 40120479, 45851976, 53493972, 71325296, 80240958, 91703952, 106987944, 160481916, 213975888, 320963832, 641927664]

約数ペア:

[(1, 641927664), (2, 320963832), (3, 213975888), (4, 160481916), (6, 106987944), (7, 91703952), (8, 80240958), (9, 71325296), (12, 53493972), (14, 45851976), (16, 40120479), (18, 35662648), (21, 30567984), (24, 26746986), (28, 22925988), (31, 20707344), (36, 17831324), (42, 15283992), (48, 13373493), (56, 11462994), (62, 10353672), (63, 10189328), (72, 8915662), (84, 7641996), (93, 6902448), (112, 5731497), (124, 5176836), (126, 5094664), (144, 4457831), (168, 3820998), (186, 3451224), (217, 2958192), (248, 2588418), (252, 2547332), (279, 2300816), (336, 1910499), (372, 1725612), (434, 1479096), (496, 1294209), (504, 1273666), (558, 1150408), (651, 986064), (744, 862806), (868, 739548), (1008, 636833), (1116, 575204), (1302, 493032), (1488, 431403), (1736, 369774), (1953, 328688), (2232, 287602), (2604, 246516), (3472, 184887), (3906, 164344), (4464, 143801), (5208, 123258), (7812, 82172), (10416, 61629), (15624, 41086), (20543, 31248)]