1980817664

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 4714085376

約数和(自身を除く): 2733267712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 181, 197, 217, 224, 248, 256, 362, 394, 434, 448, 496, 724, 788, 868, 896, 992, 1267, 1379, 1448, 1576, 1736, 1792, 1984, 2534, 2758, 2896, 3152, 3472, 3968, 5068, 5516, 5611, 5792, 6107, 6304, 6944, 7936, 10136, 11032, 11222, 11584, 12214, 12608, 13888, 20272, 22064, 22444, 23168, 24428, 25216, 27776, 35657, 39277, 40544, 42749, 44128, 44888, 46336, 48856, 50432, 55552, 71314, 78554, 81088, 85498, 88256, 89776, 97712, 142628, 157108, 162176, 170996, 176512, 179552, 195424, 249599, 285256, 314216, 324352, 341992, 353024, 359104, 390848, 499198, 570512, 628432, 683984, 718208, 781696, 998396, 1105367, 1141024, 1256864, 1367968, 1436416, 1563392, 1996792, 2210734, 2282048, 2513728, 2735936, 3993584, 4421468, 4564096, 5027456, 5471872, 7737569, 7987168, 8842936, 9128192, 10054912, 10943744, 15475138, 15974336, 17685872, 30950276, 31948672, 35371744, 61900552, 63897344, 70743488, 123801104, 141486976, 247602208, 282973952, 495204416, 990408832, 1980817664]

約数ペア:

[(1, 1980817664), (2, 990408832), (4, 495204416), (7, 282973952), (8, 247602208), (14, 141486976), (16, 123801104), (28, 70743488), (31, 63897344), (32, 61900552), (56, 35371744), (62, 31948672), (64, 30950276), (112, 17685872), (124, 15974336), (128, 15475138), (181, 10943744), (197, 10054912), (217, 9128192), (224, 8842936), (248, 7987168), (256, 7737569), (362, 5471872), (394, 5027456), (434, 4564096), (448, 4421468), (496, 3993584), (724, 2735936), (788, 2513728), (868, 2282048), (896, 2210734), (992, 1996792), (1267, 1563392), (1379, 1436416), (1448, 1367968), (1576, 1256864), (1736, 1141024), (1792, 1105367), (1984, 998396), (2534, 781696), (2758, 718208), (2896, 683984), (3152, 628432), (3472, 570512), (3968, 499198), (5068, 390848), (5516, 359104), (5611, 353024), (5792, 341992), (6107, 324352), (6304, 314216), (6944, 285256), (7936, 249599), (10136, 195424), (11032, 179552), (11222, 176512), (11584, 170996), (12214, 162176), (12608, 157108), (13888, 142628), (20272, 97712), (22064, 89776), (22444, 88256), (23168, 85498), (24428, 81088), (25216, 78554), (27776, 71314), (35657, 55552), (39277, 50432), (40544, 48856), (42749, 46336), (44128, 44888)]