820509984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 288

約数和(自身を含む): 2901749760

約数和(自身を除く): 2081239776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 31, 32, 36, 38, 42, 48, 56, 57, 62, 63, 72, 76, 84, 93, 96, 112, 114, 124, 126, 133, 144, 152, 168, 171, 186, 217, 224, 228, 248, 252, 266, 279, 288, 304, 336, 342, 372, 399, 434, 456, 496, 504, 532, 558, 589, 608, 651, 672, 684, 691, 744, 798, 868, 912, 992, 1008, 1064, 1116, 1178, 1197, 1302, 1368, 1382, 1488, 1596, 1736, 1767, 1824, 1953, 2016, 2073, 2128, 2232, 2356, 2394, 2604, 2736, 2764, 2976, 3192, 3472, 3534, 3906, 4123, 4146, 4256, 4464, 4712, 4788, 4837, 5208, 5301, 5472, 5528, 6219, 6384, 6944, 7068, 7812, 8246, 8292, 8928, 9424, 9576, 9674, 10416, 10602, 11056, 12369, 12438, 12768, 13129, 14136, 14511, 15624, 16492, 16584, 18848, 19152, 19348, 20832, 21204, 21421, 22112, 24738, 24876, 26258, 28272, 29022, 31248, 32984, 33168, 37107, 38304, 38696, 39387, 42408, 42842, 43533, 49476, 49752, 52516, 56544, 58044, 62496, 64263, 65968, 66336, 74214, 77392, 78774, 84816, 85684, 87066, 91903, 98952, 99504, 105032, 116088, 118161, 128526, 131936, 148428, 149947, 154784, 157548, 169632, 171368, 174132, 183806, 192789, 197904, 199008, 210064, 232176, 236322, 257052, 275709, 296856, 299894, 315096, 342736, 348264, 367612, 385578, 395808, 406999, 420128, 449841, 464352, 472644, 514104, 551418, 593712, 599788, 630192, 685472, 696528, 735224, 771156, 813998, 827127, 899682, 945288, 1028208, 1102836, 1187424, 1199576, 1220997, 1260384, 1349523, 1393056, 1470448, 1542312, 1627996, 1654254, 1799364, 1890576, 2056416, 2205672, 2399152, 2441994, 2699046, 2848993, 2940896, 3084624, 3255992, 3308508, 3598728, 3662991, 3781152, 4411344, 4798304, 4883988, 5398092, 5697986, 6169248, 6511984, 6617016, 7197456, 7325982, 8546979, 8822688, 9767976, 10796184, 11395972, 13023968, 13234032, 14394912, 14651964, 17093958, 19535952, 21592368, 22791944, 25640937, 26468064, 29303928, 34187916, 39071904, 43184736, 45583888, 51281874, 58607856, 68375832, 91167776, 102563748, 117215712, 136751664, 205127496, 273503328, 410254992, 820509984]

約数ペア:

[(1, 820509984), (2, 410254992), (3, 273503328), (4, 205127496), (6, 136751664), (7, 117215712), (8, 102563748), (9, 91167776), (12, 68375832), (14, 58607856), (16, 51281874), (18, 45583888), (19, 43184736), (21, 39071904), (24, 34187916), (28, 29303928), (31, 26468064), (32, 25640937), (36, 22791944), (38, 21592368), (42, 19535952), (48, 17093958), (56, 14651964), (57, 14394912), (62, 13234032), (63, 13023968), (72, 11395972), (76, 10796184), (84, 9767976), (93, 8822688), (96, 8546979), (112, 7325982), (114, 7197456), (124, 6617016), (126, 6511984), (133, 6169248), (144, 5697986), (152, 5398092), (168, 4883988), (171, 4798304), (186, 4411344), (217, 3781152), (224, 3662991), (228, 3598728), (248, 3308508), (252, 3255992), (266, 3084624), (279, 2940896), (288, 2848993), (304, 2699046), (336, 2441994), (342, 2399152), (372, 2205672), (399, 2056416), (434, 1890576), (456, 1799364), (496, 1654254), (504, 1627996), (532, 1542312), (558, 1470448), (589, 1393056), (608, 1349523), (651, 1260384), (672, 1220997), (684, 1199576), (691, 1187424), (744, 1102836), (798, 1028208), (868, 945288), (912, 899682), (992, 827127), (1008, 813998), (1064, 771156), (1116, 735224), (1178, 696528), (1197, 685472), (1302, 630192), (1368, 599788), (1382, 593712), (1488, 551418), (1596, 514104), (1736, 472644), (1767, 464352), (1824, 449841), (1953, 420128), (2016, 406999), (2073, 395808), (2128, 385578), (2232, 367612), (2356, 348264), (2394, 342736), (2604, 315096), (2736, 299894), (2764, 296856), (2976, 275709), (3192, 257052), (3472, 236322), (3534, 232176), (3906, 210064), (4123, 199008), (4146, 197904), (4256, 192789), (4464, 183806), (4712, 174132), (4788, 171368), (4837, 169632), (5208, 157548), (5301, 154784), (5472, 149947), (5528, 148428), (6219, 131936), (6384, 128526), (6944, 118161), (7068, 116088), (7812, 105032), (8246, 99504), (8292, 98952), (8928, 91903), (9424, 87066), (9576, 85684), (9674, 84816), (10416, 78774), (10602, 77392), (11056, 74214), (12369, 66336), (12438, 65968), (12768, 64263), (13129, 62496), (14136, 58044), (14511, 56544), (15624, 52516), (16492, 49752), (16584, 49476), (18848, 43533), (19152, 42842), (19348, 42408), (20832, 39387), (21204, 38696), (21421, 38304), (22112, 37107), (24738, 33168), (24876, 32984), (26258, 31248), (28272, 29022)]