27620320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 82047168

約数和(自身を除く): 54426848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 271, 280, 364, 392, 416, 455, 490, 520, 542, 560, 637, 728, 784, 910, 980, 1040, 1084, 1120, 1274, 1355, 1456, 1568, 1820, 1897, 1960, 2080, 2168, 2548, 2710, 2912, 3185, 3523, 3640, 3794, 3920, 4336, 5096, 5420, 6370, 7046, 7280, 7588, 7840, 8672, 9485, 10192, 10840, 12740, 13279, 14092, 14560, 15176, 17615, 18970, 20384, 21680, 24661, 25480, 26558, 28184, 30352, 35230, 37940, 43360, 49322, 50960, 53116, 56368, 60704, 66395, 70460, 75880, 98644, 101920, 106232, 112736, 123305, 132790, 140920, 151760, 172627, 197288, 212464, 246610, 265580, 281840, 303520, 345254, 394576, 424928, 493220, 531160, 563680, 690508, 789152, 863135, 986440, 1062320, 1381016, 1726270, 1972880, 2124640, 2762032, 3452540, 3945760, 5524064, 6905080, 13810160, 27620320]

約数ペア:

[(1, 27620320), (2, 13810160), (4, 6905080), (5, 5524064), (7, 3945760), (8, 3452540), (10, 2762032), (13, 2124640), (14, 1972880), (16, 1726270), (20, 1381016), (26, 1062320), (28, 986440), (32, 863135), (35, 789152), (40, 690508), (49, 563680), (52, 531160), (56, 493220), (65, 424928), (70, 394576), (80, 345254), (91, 303520), (98, 281840), (104, 265580), (112, 246610), (130, 212464), (140, 197288), (160, 172627), (182, 151760), (196, 140920), (208, 132790), (224, 123305), (245, 112736), (260, 106232), (271, 101920), (280, 98644), (364, 75880), (392, 70460), (416, 66395), (455, 60704), (490, 56368), (520, 53116), (542, 50960), (560, 49322), (637, 43360), (728, 37940), (784, 35230), (910, 30352), (980, 28184), (1040, 26558), (1084, 25480), (1120, 24661), (1274, 21680), (1355, 20384), (1456, 18970), (1568, 17615), (1820, 15176), (1897, 14560), (1960, 14092), (2080, 13279), (2168, 12740), (2548, 10840), (2710, 10192), (2912, 9485), (3185, 8672), (3523, 7840), (3640, 7588), (3794, 7280), (3920, 7046), (4336, 6370), (5096, 5420)]