1640426256

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 400

約数和(自身を含む): 5915176960

約数和(自身を除く): 4274750704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 31, 36, 38, 42, 48, 54, 56, 57, 62, 63, 72, 76, 81, 84, 93, 108, 112, 114, 124, 126, 133, 144, 152, 162, 168, 171, 186, 189, 216, 217, 228, 248, 252, 266, 279, 304, 307, 324, 336, 342, 372, 378, 399, 432, 434, 456, 496, 504, 513, 532, 558, 567, 589, 614, 648, 651, 684, 744, 756, 798, 837, 868, 912, 921, 1008, 1026, 1064, 1116, 1134, 1178, 1197, 1228, 1296, 1302, 1368, 1488, 1512, 1539, 1596, 1674, 1736, 1767, 1842, 1953, 2052, 2128, 2149, 2232, 2268, 2356, 2394, 2456, 2511, 2604, 2736, 2763, 3024, 3078, 3192, 3348, 3472, 3534, 3591, 3684, 3906, 4104, 4123, 4298, 4464, 4536, 4712, 4788, 4912, 5022, 5208, 5301, 5526, 5833, 5859, 6156, 6384, 6447, 6696, 7068, 7182, 7368, 7812, 8208, 8246, 8289, 8596, 9072, 9424, 9517, 9576, 10044, 10416, 10602, 10773, 11052, 11666, 11718, 12312, 12369, 12894, 13392, 14136, 14364, 14736, 15624, 15903, 16492, 16578, 17192, 17499, 17577, 19034, 19152, 19341, 20088, 21204, 21546, 22104, 23332, 23436, 24624, 24738, 24867, 25788, 28272, 28551, 28728, 31248, 31806, 32984, 33156, 34384, 34998, 35154, 37107, 38068, 38682, 40176, 40831, 42408, 43092, 44208, 46664, 46872, 47709, 49476, 49734, 51576, 52497, 57102, 57456, 58023, 63612, 65968, 66312, 66619, 69996, 70308, 74214, 76136, 77364, 81662, 84816, 85653, 86184, 93328, 93744, 95418, 98952, 99468, 103152, 104994, 111321, 114204, 116046, 122493, 127224, 132624, 133238, 139992, 140616, 148428, 152272, 154728, 157491, 163324, 171306, 172368, 174069, 180823, 190836, 197904, 198936, 199857, 209988, 222642, 228408, 232092, 244986, 254448, 256959, 266476, 279984, 281232, 296856, 309456, 314982, 326648, 333963, 342612, 348138, 361646, 367479, 381672, 397872, 399714, 419976, 445284, 456816, 464184, 472473, 489972, 513918, 532952, 542469, 593712, 599571, 629964, 653296, 667926, 685224, 696276, 723292, 734958, 763344, 770877, 799428, 839952, 890568, 928368, 944946, 979944, 1027836, 1065904, 1084938, 1102437, 1199142, 1259928, 1265761, 1335852, 1370448, 1392552, 1446584, 1469916, 1541754, 1598856, 1627407, 1781136, 1798713, 1889892, 1959888, 2055672, 2169876, 2204874, 2398284, 2519856, 2531522, 2671704, 2785104, 2893168, 2939832, 3083508, 3197712, 3254814, 3307311, 3597426, 3779784, 3797283, 4111344, 4339752, 4409748, 4796568, 4882221, 5063044, 5343408, 5396139, 5879664, 6167016, 6509628, 6614622, 7194852, 7559568, 7594566, 8679504, 8819496, 9593136, 9764442, 10126088, 10792278, 11391849, 12334032, 13019256, 13229244, 14389704, 14646663, 15189132, 17638992, 19528884, 20252176, 21584556, 22783698, 26038512, 26458488, 28779408, 29293326, 30378264, 34175547, 39057768, 43169112, 45567396, 52916976, 58586652, 60756528, 68351094, 78115536, 86338224, 91134792, 102526641, 117173304, 136702188, 182269584, 205053282, 234346608, 273404376, 410106564, 546808752, 820213128, 1640426256]

約数ペア:

[(1, 1640426256), (2, 820213128), (3, 546808752), (4, 410106564), (6, 273404376), (7, 234346608), (8, 205053282), (9, 182269584), (12, 136702188), (14, 117173304), (16, 102526641), (18, 91134792), (19, 86338224), (21, 78115536), (24, 68351094), (27, 60756528), (28, 58586652), (31, 52916976), (36, 45567396), (38, 43169112), (42, 39057768), (48, 34175547), (54, 30378264), (56, 29293326), (57, 28779408), (62, 26458488), (63, 26038512), (72, 22783698), (76, 21584556), (81, 20252176), (84, 19528884), (93, 17638992), (108, 15189132), (112, 14646663), (114, 14389704), (124, 13229244), (126, 13019256), (133, 12334032), (144, 11391849), (152, 10792278), (162, 10126088), (168, 9764442), (171, 9593136), (186, 8819496), (189, 8679504), (216, 7594566), (217, 7559568), (228, 7194852), (248, 6614622), (252, 6509628), (266, 6167016), (279, 5879664), (304, 5396139), (307, 5343408), (324, 5063044), (336, 4882221), (342, 4796568), (372, 4409748), (378, 4339752), (399, 4111344), (432, 3797283), (434, 3779784), (456, 3597426), (496, 3307311), (504, 3254814), (513, 3197712), (532, 3083508), (558, 2939832), (567, 2893168), (589, 2785104), (614, 2671704), (648, 2531522), (651, 2519856), (684, 2398284), (744, 2204874), (756, 2169876), (798, 2055672), (837, 1959888), (868, 1889892), (912, 1798713), (921, 1781136), (1008, 1627407), (1026, 1598856), (1064, 1541754), (1116, 1469916), (1134, 1446584), (1178, 1392552), (1197, 1370448), (1228, 1335852), (1296, 1265761), (1302, 1259928), (1368, 1199142), (1488, 1102437), (1512, 1084938), (1539, 1065904), (1596, 1027836), (1674, 979944), (1736, 944946), (1767, 928368), (1842, 890568), (1953, 839952), (2052, 799428), (2128, 770877), (2149, 763344), (2232, 734958), (2268, 723292), (2356, 696276), (2394, 685224), (2456, 667926), (2511, 653296), (2604, 629964), (2736, 599571), (2763, 593712), (3024, 542469), (3078, 532952), (3192, 513918), (3348, 489972), (3472, 472473), (3534, 464184), (3591, 456816), (3684, 445284), (3906, 419976), (4104, 399714), (4123, 397872), (4298, 381672), (4464, 367479), (4536, 361646), (4712, 348138), (4788, 342612), (4912, 333963), (5022, 326648), (5208, 314982), (5301, 309456), (5526, 296856), (5833, 281232), (5859, 279984), (6156, 266476), (6384, 256959), (6447, 254448), (6696, 244986), (7068, 232092), (7182, 228408), (7368, 222642), (7812, 209988), (8208, 199857), (8246, 198936), (8289, 197904), (8596, 190836), (9072, 180823), (9424, 174069), (9517, 172368), (9576, 171306), (10044, 163324), (10416, 157491), (10602, 154728), (10773, 152272), (11052, 148428), (11666, 140616), (11718, 139992), (12312, 133238), (12369, 132624), (12894, 127224), (13392, 122493), (14136, 116046), (14364, 114204), (14736, 111321), (15624, 104994), (15903, 103152), (16492, 99468), (16578, 98952), (17192, 95418), (17499, 93744), (17577, 93328), (19034, 86184), (19152, 85653), (19341, 84816), (20088, 81662), (21204, 77364), (21546, 76136), (22104, 74214), (23332, 70308), (23436, 69996), (24624, 66619), (24738, 66312), (24867, 65968), (25788, 63612), (28272, 58023), (28551, 57456), (28728, 57102), (31248, 52497), (31806, 51576), (32984, 49734), (33156, 49476), (34384, 47709), (34998, 46872), (35154, 46664), (37107, 44208), (38068, 43092), (38682, 42408), (40176, 40831)]