15783040

素因数分解:

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

素因数の和:310

約数の個数: 128

約数和(自身を含む): 46609920

約数和(自身を除く): 30826880

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, 128, 130, 140, 160, 182, 208, 224, 260, 271, 280, 320, 364, 416, 448, 455, 520, 542, 560, 640, 728, 832, 896, 910, 1040, 1084, 1120, 1355, 1456, 1664, 1820, 1897, 2080, 2168, 2240, 2710, 2912, 3523, 3640, 3794, 4160, 4336, 4480, 5420, 5824, 7046, 7280, 7588, 8320, 8672, 9485, 10840, 11648, 14092, 14560, 15176, 17344, 17615, 18970, 21680, 24661, 28184, 29120, 30352, 34688, 35230, 37940, 43360, 49322, 56368, 58240, 60704, 70460, 75880, 86720, 98644, 112736, 121408, 123305, 140920, 151760, 173440, 197288, 225472, 242816, 246610, 281840, 303520, 394576, 450944, 493220, 563680, 607040, 789152, 986440, 1127360, 1214080, 1578304, 1972880, 2254720, 3156608, 3945760, 7891520, 15783040]

約数ペア:

[(1, 15783040), (2, 7891520), (4, 3945760), (5, 3156608), (7, 2254720), (8, 1972880), (10, 1578304), (13, 1214080), (14, 1127360), (16, 986440), (20, 789152), (26, 607040), (28, 563680), (32, 493220), (35, 450944), (40, 394576), (52, 303520), (56, 281840), (64, 246610), (65, 242816), (70, 225472), (80, 197288), (91, 173440), (104, 151760), (112, 140920), (128, 123305), (130, 121408), (140, 112736), (160, 98644), (182, 86720), (208, 75880), (224, 70460), (260, 60704), (271, 58240), (280, 56368), (320, 49322), (364, 43360), (416, 37940), (448, 35230), (455, 34688), (520, 30352), (542, 29120), (560, 28184), (640, 24661), (728, 21680), (832, 18970), (896, 17615), (910, 17344), (1040, 15176), (1084, 14560), (1120, 14092), (1355, 11648), (1456, 10840), (1664, 9485), (1820, 8672), (1897, 8320), (2080, 7588), (2168, 7280), (2240, 7046), (2710, 5824), (2912, 5420), (3523, 4480), (3640, 4336), (3794, 4160)]