131343520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1563

約数の個数: 144

約数和(自身を含む): 394033248

約数和(自身を除く): 262689728

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1523, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3046, 3080, 3920, 4312, 5390, 6092, 6160, 7615, 7840, 8624, 10661, 10780, 12184, 12320, 15230, 16753, 17248, 21322, 21560, 24368, 30460, 33506, 42644, 43120, 48736, 53305, 60920, 67012, 74627, 83765, 85288, 86240, 106610, 117271, 121840, 134024, 149254, 167530, 170576, 213220, 234542, 243680, 268048, 298508, 335060, 341152, 373135, 426440, 469084, 536096, 586355, 597016, 670120, 746270, 820897, 852880, 938168, 1172710, 1194032, 1340240, 1492540, 1641794, 1705760, 1876336, 2345420, 2388064, 2680480, 2985080, 3283588, 3752672, 4104485, 4690840, 5970160, 6567176, 8208970, 9381680, 11940320, 13134352, 16417940, 18763360, 26268704, 32835880, 65671760, 131343520]

約数ペア:

[(1, 131343520), (2, 65671760), (4, 32835880), (5, 26268704), (7, 18763360), (8, 16417940), (10, 13134352), (11, 11940320), (14, 9381680), (16, 8208970), (20, 6567176), (22, 5970160), (28, 4690840), (32, 4104485), (35, 3752672), (40, 3283588), (44, 2985080), (49, 2680480), (55, 2388064), (56, 2345420), (70, 1876336), (77, 1705760), (80, 1641794), (88, 1492540), (98, 1340240), (110, 1194032), (112, 1172710), (140, 938168), (154, 852880), (160, 820897), (176, 746270), (196, 670120), (220, 597016), (224, 586355), (245, 536096), (280, 469084), (308, 426440), (352, 373135), (385, 341152), (392, 335060), (440, 298508), (490, 268048), (539, 243680), (560, 234542), (616, 213220), (770, 170576), (784, 167530), (880, 149254), (980, 134024), (1078, 121840), (1120, 117271), (1232, 106610), (1523, 86240), (1540, 85288), (1568, 83765), (1760, 74627), (1960, 67012), (2156, 60920), (2464, 53305), (2695, 48736), (3046, 43120), (3080, 42644), (3920, 33506), (4312, 30460), (5390, 24368), (6092, 21560), (6160, 21322), (7615, 17248), (7840, 16753), (8624, 15230), (10661, 12320), (10780, 12184)]