256673280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1804

約数の個数: 160

約数和(自身を含む): 864230400

約数和(自身を除く): 607557120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 512, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1536, 1759, 1824, 1920, 2280, 2432, 2560, 3040, 3518, 3648, 3840, 4560, 4864, 5277, 6080, 7036, 7296, 7680, 8795, 9120, 9728, 10554, 12160, 14072, 14592, 17590, 18240, 21108, 24320, 26385, 28144, 29184, 33421, 35180, 36480, 42216, 48640, 52770, 56288, 66842, 70360, 72960, 84432, 100263, 105540, 112576, 133684, 140720, 145920, 167105, 168864, 200526, 211080, 225152, 267368, 281440, 334210, 337728, 401052, 422160, 450304, 501315, 534736, 562880, 668420, 675456, 802104, 844320, 900608, 1002630, 1069472, 1125760, 1336840, 1350912, 1604208, 1688640, 2005260, 2138944, 2251520, 2673680, 2701824, 3208416, 3377280, 4010520, 4277888, 4503040, 5347360, 6416832, 6754560, 8021040, 8555776, 10694720, 12833664, 13509120, 16042080, 17111552, 21389440, 25667328, 32084160, 42778880, 51334656, 64168320, 85557760, 128336640, 256673280]

約数ペア:

[(1, 256673280), (2, 128336640), (3, 85557760), (4, 64168320), (5, 51334656), (6, 42778880), (8, 32084160), (10, 25667328), (12, 21389440), (15, 17111552), (16, 16042080), (19, 13509120), (20, 12833664), (24, 10694720), (30, 8555776), (32, 8021040), (38, 6754560), (40, 6416832), (48, 5347360), (57, 4503040), (60, 4277888), (64, 4010520), (76, 3377280), (80, 3208416), (95, 2701824), (96, 2673680), (114, 2251520), (120, 2138944), (128, 2005260), (152, 1688640), (160, 1604208), (190, 1350912), (192, 1336840), (228, 1125760), (240, 1069472), (256, 1002630), (285, 900608), (304, 844320), (320, 802104), (380, 675456), (384, 668420), (456, 562880), (480, 534736), (512, 501315), (570, 450304), (608, 422160), (640, 401052), (760, 337728), (768, 334210), (912, 281440), (960, 267368), (1140, 225152), (1216, 211080), (1280, 200526), (1520, 168864), (1536, 167105), (1759, 145920), (1824, 140720), (1920, 133684), (2280, 112576), (2432, 105540), (2560, 100263), (3040, 84432), (3518, 72960), (3648, 70360), (3840, 66842), (4560, 56288), (4864, 52770), (5277, 48640), (6080, 42216), (7036, 36480), (7296, 35180), (7680, 33421), (8795, 29184), (9120, 28144), (9728, 26385), (10554, 24320), (12160, 21108), (14072, 18240), (14592, 17590)]