2649920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^2$

素因数の和:57

約数の個数: 126

約数和(自身を含む): 7948422

約数和(自身を除く): 5298502

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, 130, 140, 160, 169, 182, 196, 208, 224, 245, 260, 280, 320, 338, 364, 392, 416, 448, 455, 490, 520, 560, 637, 676, 728, 784, 832, 845, 910, 980, 1040, 1120, 1183, 1274, 1352, 1456, 1568, 1690, 1820, 1960, 2080, 2240, 2366, 2548, 2704, 2912, 3136, 3185, 3380, 3640, 3920, 4160, 4732, 5096, 5408, 5824, 5915, 6370, 6760, 7280, 7840, 8281, 9464, 10192, 10816, 11830, 12740, 13520, 14560, 15680, 16562, 18928, 20384, 23660, 25480, 27040, 29120, 33124, 37856, 40768, 41405, 47320, 50960, 54080, 66248, 75712, 82810, 94640, 101920, 132496, 165620, 189280, 203840, 264992, 331240, 378560, 529984, 662480, 1324960, 2649920]

約数ペア:

[(1, 2649920), (2, 1324960), (4, 662480), (5, 529984), (7, 378560), (8, 331240), (10, 264992), (13, 203840), (14, 189280), (16, 165620), (20, 132496), (26, 101920), (28, 94640), (32, 82810), (35, 75712), (40, 66248), (49, 54080), (52, 50960), (56, 47320), (64, 41405), (65, 40768), (70, 37856), (80, 33124), (91, 29120), (98, 27040), (104, 25480), (112, 23660), (130, 20384), (140, 18928), (160, 16562), (169, 15680), (182, 14560), (196, 13520), (208, 12740), (224, 11830), (245, 10816), (260, 10192), (280, 9464), (320, 8281), (338, 7840), (364, 7280), (392, 6760), (416, 6370), (448, 5915), (455, 5824), (490, 5408), (520, 5096), (560, 4732), (637, 4160), (676, 3920), (728, 3640), (784, 3380), (832, 3185), (845, 3136), (910, 2912), (980, 2704), (1040, 2548), (1120, 2366), (1183, 2240), (1274, 2080), (1352, 1960), (1456, 1820), (1568, 1690)]