90040720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 267411456

約数和(自身を除く): 177370736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 235, 280, 308, 311, 329, 376, 385, 440, 470, 517, 560, 616, 622, 658, 752, 770, 880, 940, 1034, 1232, 1244, 1316, 1540, 1555, 1645, 1880, 2068, 2177, 2488, 2585, 2632, 3080, 3110, 3290, 3421, 3619, 3760, 4136, 4354, 4976, 5170, 5264, 6160, 6220, 6580, 6842, 7238, 8272, 8708, 10340, 10885, 12440, 13160, 13684, 14476, 14617, 17105, 17416, 18095, 20680, 21770, 23947, 24880, 26320, 27368, 28952, 29234, 34210, 34832, 36190, 41360, 43540, 47894, 54736, 57904, 58468, 68420, 72380, 73085, 87080, 95788, 102319, 116936, 119735, 136840, 144760, 146170, 160787, 174160, 191576, 204638, 233872, 239470, 273680, 289520, 292340, 321574, 383152, 409276, 478940, 511595, 584680, 643148, 803935, 818552, 957880, 1023190, 1125509, 1169360, 1286296, 1607870, 1637104, 1915760, 2046380, 2251018, 2572592, 3215740, 4092760, 4502036, 5627545, 6431480, 8185520, 9004072, 11255090, 12862960, 18008144, 22510180, 45020360, 90040720]

約数ペア:

[(1, 90040720), (2, 45020360), (4, 22510180), (5, 18008144), (7, 12862960), (8, 11255090), (10, 9004072), (11, 8185520), (14, 6431480), (16, 5627545), (20, 4502036), (22, 4092760), (28, 3215740), (35, 2572592), (40, 2251018), (44, 2046380), (47, 1915760), (55, 1637104), (56, 1607870), (70, 1286296), (77, 1169360), (80, 1125509), (88, 1023190), (94, 957880), (110, 818552), (112, 803935), (140, 643148), (154, 584680), (176, 511595), (188, 478940), (220, 409276), (235, 383152), (280, 321574), (308, 292340), (311, 289520), (329, 273680), (376, 239470), (385, 233872), (440, 204638), (470, 191576), (517, 174160), (560, 160787), (616, 146170), (622, 144760), (658, 136840), (752, 119735), (770, 116936), (880, 102319), (940, 95788), (1034, 87080), (1232, 73085), (1244, 72380), (1316, 68420), (1540, 58468), (1555, 57904), (1645, 54736), (1880, 47894), (2068, 43540), (2177, 41360), (2488, 36190), (2585, 34832), (2632, 34210), (3080, 29234), (3110, 28952), (3290, 27368), (3421, 26320), (3619, 24880), (3760, 23947), (4136, 21770), (4354, 20680), (4976, 18095), (5170, 17416), (5264, 17105), (6160, 14617), (6220, 14476), (6580, 13684), (6842, 13160), (7238, 12440), (8272, 10885), (8708, 10340)]