128336640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 144

約数和(自身を含む): 431692800

約数和(自身を除く): 303356160

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, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1759, 1824, 1920, 2280, 2432, 3040, 3518, 3648, 3840, 4560, 4864, 5277, 6080, 7036, 7296, 8795, 9120, 10554, 12160, 14072, 14592, 17590, 18240, 21108, 24320, 26385, 28144, 33421, 35180, 36480, 42216, 52770, 56288, 66842, 70360, 72960, 84432, 100263, 105540, 112576, 133684, 140720, 167105, 168864, 200526, 211080, 225152, 267368, 281440, 334210, 337728, 401052, 422160, 450304, 501315, 534736, 562880, 668420, 675456, 802104, 844320, 1002630, 1069472, 1125760, 1336840, 1350912, 1604208, 1688640, 2005260, 2138944, 2251520, 2673680, 3208416, 3377280, 4010520, 4277888, 5347360, 6416832, 6754560, 8021040, 8555776, 10694720, 12833664, 16042080, 21389440, 25667328, 32084160, 42778880, 64168320, 128336640]

約数ペア:

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