51570720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 127692000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 607, 708, 720, 885, 944, 1062, 1180, 1214, 1416, 1440, 1770, 1821, 1888, 2124, 2360, 2428, 2655, 2832, 3035, 3540, 3642, 4248, 4720, 4856, 5310, 5463, 5664, 6070, 7080, 7284, 8496, 9105, 9440, 9712, 10620, 10926, 12140, 14160, 14568, 16992, 18210, 19424, 21240, 21852, 24280, 27315, 28320, 29136, 35813, 36420, 42480, 43704, 48560, 54630, 58272, 71626, 72840, 84960, 87408, 97120, 107439, 109260, 143252, 145680, 174816, 179065, 214878, 218520, 286504, 291360, 322317, 358130, 429756, 437040, 537195, 573008, 644634, 716260, 859512, 874080, 1074390, 1146016, 1289268, 1432520, 1611585, 1719024, 2148780, 2578536, 2865040, 3223170, 3438048, 4297560, 5157072, 5730080, 6446340, 8595120, 10314144, 12892680, 17190240, 25785360, 51570720]

約数ペア:

[(1, 51570720), (2, 25785360), (3, 17190240), (4, 12892680), (5, 10314144), (6, 8595120), (8, 6446340), (9, 5730080), (10, 5157072), (12, 4297560), (15, 3438048), (16, 3223170), (18, 2865040), (20, 2578536), (24, 2148780), (30, 1719024), (32, 1611585), (36, 1432520), (40, 1289268), (45, 1146016), (48, 1074390), (59, 874080), (60, 859512), (72, 716260), (80, 644634), (90, 573008), (96, 537195), (118, 437040), (120, 429756), (144, 358130), (160, 322317), (177, 291360), (180, 286504), (236, 218520), (240, 214878), (288, 179065), (295, 174816), (354, 145680), (360, 143252), (472, 109260), (480, 107439), (531, 97120), (590, 87408), (607, 84960), (708, 72840), (720, 71626), (885, 58272), (944, 54630), (1062, 48560), (1180, 43704), (1214, 42480), (1416, 36420), (1440, 35813), (1770, 29136), (1821, 28320), (1888, 27315), (2124, 24280), (2360, 21852), (2428, 21240), (2655, 19424), (2832, 18210), (3035, 16992), (3540, 14568), (3642, 14160), (4248, 12140), (4720, 10926), (4856, 10620), (5310, 9712), (5463, 9440), (5664, 9105), (6070, 8496), (7080, 7284)]