7891520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 23213568

約数和(自身を除く): 15322048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 271, 280, 320, 364, 416, 448, 455, 520, 542, 560, 728, 832, 910, 1040, 1084, 1120, 1355, 1456, 1820, 1897, 2080, 2168, 2240, 2710, 2912, 3523, 3640, 3794, 4160, 4336, 5420, 5824, 7046, 7280, 7588, 8672, 9485, 10840, 14092, 14560, 15176, 17344, 17615, 18970, 21680, 24661, 28184, 29120, 30352, 35230, 37940, 43360, 49322, 56368, 60704, 70460, 75880, 86720, 98644, 112736, 121408, 123305, 140920, 151760, 197288, 225472, 246610, 281840, 303520, 394576, 493220, 563680, 607040, 789152, 986440, 1127360, 1578304, 1972880, 3945760, 7891520]

約数ペア:

[(1, 7891520), (2, 3945760), (4, 1972880), (5, 1578304), (7, 1127360), (8, 986440), (10, 789152), (13, 607040), (14, 563680), (16, 493220), (20, 394576), (26, 303520), (28, 281840), (32, 246610), (35, 225472), (40, 197288), (52, 151760), (56, 140920), (64, 123305), (65, 121408), (70, 112736), (80, 98644), (91, 86720), (104, 75880), (112, 70460), (130, 60704), (140, 56368), (160, 49322), (182, 43360), (208, 37940), (224, 35230), (260, 30352), (271, 29120), (280, 28184), (320, 24661), (364, 21680), (416, 18970), (448, 17615), (455, 17344), (520, 15176), (542, 14560), (560, 14092), (728, 10840), (832, 9485), (910, 8672), (1040, 7588), (1084, 7280), (1120, 7046), (1355, 5824), (1456, 5420), (1820, 4336), (1897, 4160), (2080, 3794), (2168, 3640), (2240, 3523), (2710, 2912)]