1781323488

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3167}}^1$

素因数の和:3227

約数の個数: 240

約数和(自身を含む): 6182313984

約数和(自身を除く): 4400990496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 496, 504, 558, 567, 648, 651, 672, 744, 756, 837, 864, 868, 992, 1008, 1116, 1134, 1296, 1302, 1488, 1512, 1674, 1736, 1953, 2016, 2232, 2268, 2511, 2592, 2604, 2976, 3024, 3167, 3348, 3472, 3906, 4464, 4536, 5022, 5208, 5859, 6048, 6334, 6696, 6944, 7812, 8928, 9072, 9501, 10044, 10416, 11718, 12668, 13392, 15624, 17577, 18144, 19002, 20088, 20832, 22169, 23436, 25336, 26784, 28503, 31248, 35154, 38004, 40176, 44338, 46872, 50672, 57006, 62496, 66507, 70308, 76008, 80352, 85509, 88676, 93744, 98177, 101344, 114012, 133014, 140616, 152016, 171018, 177352, 187488, 196354, 199521, 228024, 256527, 266028, 281232, 294531, 304032, 342036, 354704, 392708, 399042, 456048, 513054, 532056, 562464, 589062, 598563, 684072, 687239, 709408, 785416, 798084, 883593, 912096, 1026108, 1064112, 1178124, 1197126, 1368144, 1374478, 1570832, 1596168, 1767186, 1795689, 2052216, 2061717, 2128224, 2356248, 2394252, 2650779, 2736288, 2748956, 3141664, 3192336, 3534372, 3591378, 4104432, 4123434, 4712496, 4788504, 5301558, 5497912, 6185151, 6384672, 7068744, 7182756, 7952337, 8208864, 8246868, 9424992, 9577008, 10603116, 10995824, 12370302, 14137488, 14365512, 15904674, 16493736, 18555453, 19154016, 21206232, 21991648, 24740604, 28274976, 28731024, 31809348, 32987472, 37110906, 42412464, 49481208, 55666359, 57462048, 63618696, 65974944, 74221812, 84824928, 98962416, 111332718, 127237392, 148443624, 197924832, 222665436, 254474784, 296887248, 445330872, 593774496, 890661744, 1781323488]

約数ペア:

[(1, 1781323488), (2, 890661744), (3, 593774496), (4, 445330872), (6, 296887248), (7, 254474784), (8, 222665436), (9, 197924832), (12, 148443624), (14, 127237392), (16, 111332718), (18, 98962416), (21, 84824928), (24, 74221812), (27, 65974944), (28, 63618696), (31, 57462048), (32, 55666359), (36, 49481208), (42, 42412464), (48, 37110906), (54, 32987472), (56, 31809348), (62, 28731024), (63, 28274976), (72, 24740604), (81, 21991648), (84, 21206232), (93, 19154016), (96, 18555453), (108, 16493736), (112, 15904674), (124, 14365512), (126, 14137488), (144, 12370302), (162, 10995824), (168, 10603116), (186, 9577008), (189, 9424992), (216, 8246868), (217, 8208864), (224, 7952337), (248, 7182756), (252, 7068744), (279, 6384672), (288, 6185151), (324, 5497912), (336, 5301558), (372, 4788504), (378, 4712496), (432, 4123434), (434, 4104432), (496, 3591378), (504, 3534372), (558, 3192336), (567, 3141664), (648, 2748956), (651, 2736288), (672, 2650779), (744, 2394252), (756, 2356248), (837, 2128224), (864, 2061717), (868, 2052216), (992, 1795689), (1008, 1767186), (1116, 1596168), (1134, 1570832), (1296, 1374478), (1302, 1368144), (1488, 1197126), (1512, 1178124), (1674, 1064112), (1736, 1026108), (1953, 912096), (2016, 883593), (2232, 798084), (2268, 785416), (2511, 709408), (2592, 687239), (2604, 684072), (2976, 598563), (3024, 589062), (3167, 562464), (3348, 532056), (3472, 513054), (3906, 456048), (4464, 399042), (4536, 392708), (5022, 354704), (5208, 342036), (5859, 304032), (6048, 294531), (6334, 281232), (6696, 266028), (6944, 256527), (7812, 228024), (8928, 199521), (9072, 196354), (9501, 187488), (10044, 177352), (10416, 171018), (11718, 152016), (12668, 140616), (13392, 133014), (15624, 114012), (17577, 101344), (18144, 98177), (19002, 93744), (20088, 88676), (20832, 85509), (22169, 80352), (23436, 76008), (25336, 70308), (26784, 66507), (28503, 62496), (31248, 57006), (35154, 50672), (38004, 46872), (40176, 44338)]