1972880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 5666304

約数和(自身を除く): 3693424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 271, 280, 364, 455, 520, 542, 560, 728, 910, 1040, 1084, 1355, 1456, 1820, 1897, 2168, 2710, 3523, 3640, 3794, 4336, 5420, 7046, 7280, 7588, 9485, 10840, 14092, 15176, 17615, 18970, 21680, 24661, 28184, 30352, 35230, 37940, 49322, 56368, 70460, 75880, 98644, 123305, 140920, 151760, 197288, 246610, 281840, 394576, 493220, 986440, 1972880]

約数ペア:

[(1, 1972880), (2, 986440), (4, 493220), (5, 394576), (7, 281840), (8, 246610), (10, 197288), (13, 151760), (14, 140920), (16, 123305), (20, 98644), (26, 75880), (28, 70460), (35, 56368), (40, 49322), (52, 37940), (56, 35230), (65, 30352), (70, 28184), (80, 24661), (91, 21680), (104, 18970), (112, 17615), (130, 15176), (140, 14092), (182, 10840), (208, 9485), (260, 7588), (271, 7280), (280, 7046), (364, 5420), (455, 4336), (520, 3794), (542, 3640), (560, 3523), (728, 2710), (910, 2168), (1040, 1897), (1084, 1820), (1355, 1456)]