2720448640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6719

約数の個数: 192

約数和(自身を含む): 8148553560

約数和(自身を除く): 5428104920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 6673, 7280, 7840, 8320, 10192, 11648, 12740, 13346, 14560, 15680, 20384, 25480, 26692, 29120, 31360, 33365, 40768, 46711, 50960, 53384, 58240, 66730, 81536, 86749, 93422, 101920, 106768, 133460, 173498, 186844, 203840, 213536, 233555, 266920, 326977, 346996, 373688, 407680, 427072, 433745, 467110, 533840, 607243, 653954, 693992, 747376, 854144, 867490, 934220, 1067680, 1214486, 1307908, 1387984, 1494752, 1634885, 1734980, 1868440, 2135360, 2428972, 2615816, 2775968, 2989504, 3036215, 3269770, 3469960, 3736880, 4250701, 4270720, 4857944, 5231632, 5551936, 5979008, 6072430, 6539540, 6939920, 7473760, 8501402, 9715888, 10463264, 11103872, 12144860, 13079080, 13879840, 14947520, 17002804, 19431776, 20926528, 21253505, 24289720, 26158160, 27759680, 29895040, 34005608, 38863552, 41853056, 42507010, 48579440, 52316320, 55519360, 68011216, 77727104, 85014020, 97158880, 104632640, 136022432, 170028040, 194317760, 209265280, 272044864, 340056080, 388635520, 544089728, 680112160, 1360224320, 2720448640]

約数ペア:

[(1, 2720448640), (2, 1360224320), (4, 680112160), (5, 544089728), (7, 388635520), (8, 340056080), (10, 272044864), (13, 209265280), (14, 194317760), (16, 170028040), (20, 136022432), (26, 104632640), (28, 97158880), (32, 85014020), (35, 77727104), (40, 68011216), (49, 55519360), (52, 52316320), (56, 48579440), (64, 42507010), (65, 41853056), (70, 38863552), (80, 34005608), (91, 29895040), (98, 27759680), (104, 26158160), (112, 24289720), (128, 21253505), (130, 20926528), (140, 19431776), (160, 17002804), (182, 14947520), (196, 13879840), (208, 13079080), (224, 12144860), (245, 11103872), (260, 10463264), (280, 9715888), (320, 8501402), (364, 7473760), (392, 6939920), (416, 6539540), (448, 6072430), (455, 5979008), (490, 5551936), (520, 5231632), (560, 4857944), (637, 4270720), (640, 4250701), (728, 3736880), (784, 3469960), (832, 3269770), (896, 3036215), (910, 2989504), (980, 2775968), (1040, 2615816), (1120, 2428972), (1274, 2135360), (1456, 1868440), (1568, 1734980), (1664, 1634885), (1820, 1494752), (1960, 1387984), (2080, 1307908), (2240, 1214486), (2548, 1067680), (2912, 934220), (3136, 867490), (3185, 854144), (3640, 747376), (3920, 693992), (4160, 653954), (4480, 607243), (5096, 533840), (5824, 467110), (6272, 433745), (6370, 427072), (6673, 407680), (7280, 373688), (7840, 346996), (8320, 326977), (10192, 266920), (11648, 233555), (12740, 213536), (13346, 203840), (14560, 186844), (15680, 173498), (20384, 133460), (25480, 106768), (26692, 101920), (29120, 93422), (31360, 86749), (33365, 81536), (40768, 66730), (46711, 58240), (50960, 53384)]