2720686976

素因数分解:

$2^7\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 128

約数和(自身を含む): 6528000000

約数和(自身を除く): 3807313024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 343, 392, 434, 448, 496, 686, 784, 868, 896, 992, 1372, 1519, 1568, 1736, 1984, 1999, 2744, 3038, 3136, 3472, 3968, 3998, 5488, 6076, 6272, 6944, 7996, 10633, 10976, 12152, 13888, 13993, 15992, 21266, 21952, 24304, 27776, 27986, 31984, 42532, 43904, 48608, 55972, 61969, 63968, 85064, 97216, 97951, 111944, 123938, 127936, 170128, 194432, 195902, 223888, 247876, 255872, 340256, 391804, 433783, 447776, 495752, 680512, 685657, 783608, 867566, 895552, 991504, 1361024, 1371314, 1567216, 1735132, 1791104, 1983008, 2742628, 3036481, 3134432, 3470264, 3966016, 5485256, 6072962, 6268864, 6940528, 7932032, 10970512, 12145924, 12537728, 13881056, 21255367, 21941024, 24291848, 27762112, 42510734, 43882048, 48583696, 55524224, 85021468, 87764096, 97167392, 170042936, 194334784, 340085872, 388669568, 680171744, 1360343488, 2720686976]

約数ペア:

[(1, 2720686976), (2, 1360343488), (4, 680171744), (7, 388669568), (8, 340085872), (14, 194334784), (16, 170042936), (28, 97167392), (31, 87764096), (32, 85021468), (49, 55524224), (56, 48583696), (62, 43882048), (64, 42510734), (98, 27762112), (112, 24291848), (124, 21941024), (128, 21255367), (196, 13881056), (217, 12537728), (224, 12145924), (248, 10970512), (343, 7932032), (392, 6940528), (434, 6268864), (448, 6072962), (496, 5485256), (686, 3966016), (784, 3470264), (868, 3134432), (896, 3036481), (992, 2742628), (1372, 1983008), (1519, 1791104), (1568, 1735132), (1736, 1567216), (1984, 1371314), (1999, 1361024), (2744, 991504), (3038, 895552), (3136, 867566), (3472, 783608), (3968, 685657), (3998, 680512), (5488, 495752), (6076, 447776), (6272, 433783), (6944, 391804), (7996, 340256), (10633, 255872), (10976, 247876), (12152, 223888), (13888, 195902), (13993, 194432), (15992, 170128), (21266, 127936), (21952, 123938), (24304, 111944), (27776, 97951), (27986, 97216), (31984, 85064), (42532, 63968), (43904, 61969), (48608, 55972)]