1978730208

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8431

約数の個数: 240

約数和(自身を含む): 7163180640

約数和(自身を除く): 5184450432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 224, 234, 252, 273, 288, 312, 324, 336, 351, 364, 378, 416, 432, 468, 504, 546, 567, 624, 648, 672, 702, 728, 756, 819, 864, 936, 1008, 1053, 1092, 1134, 1248, 1296, 1404, 1456, 1512, 1638, 1872, 2016, 2106, 2184, 2268, 2457, 2592, 2808, 2912, 3024, 3276, 3744, 4212, 4368, 4536, 4914, 5616, 6048, 6552, 7371, 8389, 8424, 8736, 9072, 9828, 11232, 13104, 14742, 16778, 16848, 18144, 19656, 25167, 26208, 29484, 33556, 33696, 39312, 50334, 58723, 58968, 67112, 75501, 78624, 100668, 109057, 117446, 117936, 134224, 151002, 176169, 201336, 218114, 226503, 234892, 235872, 268448, 302004, 327171, 352338, 402672, 436228, 453006, 469784, 528507, 604008, 654342, 679509, 704676, 763399, 805344, 872456, 906012, 939568, 981513, 1057014, 1208016, 1308684, 1359018, 1409352, 1526798, 1585521, 1744912, 1812024, 1879136, 1963026, 2114028, 2290197, 2416032, 2617368, 2718036, 2818704, 2944539, 3053596, 3171042, 3489824, 3624048, 3926052, 4228056, 4580394, 4756563, 5234736, 5436072, 5637408, 5889078, 6107192, 6342084, 6870591, 7248096, 7852104, 8456112, 8833617, 9160788, 9513126, 10469472, 10872144, 11778156, 12214384, 12684168, 13741182, 15704208, 16912224, 17667234, 18321576, 19026252, 20611773, 21744288, 23556312, 24428768, 25368336, 27482364, 31408416, 35334468, 36643152, 38052504, 41223546, 47112624, 50736672, 54964728, 61835319, 70668936, 73286304, 76105008, 82447092, 94225248, 109929456, 123670638, 141337872, 152210016, 164894184, 219858912, 247341276, 282675744, 329788368, 494682552, 659576736, 989365104, 1978730208]

約数ペア:

[(1, 1978730208), (2, 989365104), (3, 659576736), (4, 494682552), (6, 329788368), (7, 282675744), (8, 247341276), (9, 219858912), (12, 164894184), (13, 152210016), (14, 141337872), (16, 123670638), (18, 109929456), (21, 94225248), (24, 82447092), (26, 76105008), (27, 73286304), (28, 70668936), (32, 61835319), (36, 54964728), (39, 50736672), (42, 47112624), (48, 41223546), (52, 38052504), (54, 36643152), (56, 35334468), (63, 31408416), (72, 27482364), (78, 25368336), (81, 24428768), (84, 23556312), (91, 21744288), (96, 20611773), (104, 19026252), (108, 18321576), (112, 17667234), (117, 16912224), (126, 15704208), (144, 13741182), (156, 12684168), (162, 12214384), (168, 11778156), (182, 10872144), (189, 10469472), (208, 9513126), (216, 9160788), (224, 8833617), (234, 8456112), (252, 7852104), (273, 7248096), (288, 6870591), (312, 6342084), (324, 6107192), (336, 5889078), (351, 5637408), (364, 5436072), (378, 5234736), (416, 4756563), (432, 4580394), (468, 4228056), (504, 3926052), (546, 3624048), (567, 3489824), (624, 3171042), (648, 3053596), (672, 2944539), (702, 2818704), (728, 2718036), (756, 2617368), (819, 2416032), (864, 2290197), (936, 2114028), (1008, 1963026), (1053, 1879136), (1092, 1812024), (1134, 1744912), (1248, 1585521), (1296, 1526798), (1404, 1409352), (1456, 1359018), (1512, 1308684), (1638, 1208016), (1872, 1057014), (2016, 981513), (2106, 939568), (2184, 906012), (2268, 872456), (2457, 805344), (2592, 763399), (2808, 704676), (2912, 679509), (3024, 654342), (3276, 604008), (3744, 528507), (4212, 469784), (4368, 453006), (4536, 436228), (4914, 402672), (5616, 352338), (6048, 327171), (6552, 302004), (7371, 268448), (8389, 235872), (8424, 234892), (8736, 226503), (9072, 218114), (9828, 201336), (11232, 176169), (13104, 151002), (14742, 134224), (16778, 117936), (16848, 117446), (18144, 109057), (19656, 100668), (25167, 78624), (26208, 75501), (29484, 67112), (33556, 58968), (33696, 58723), (39312, 50334)]