128672320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 224

約数和(自身を含む): 386242560

約数和(自身を除く): 257570240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 109, 112, 119, 124, 136, 140, 155, 160, 170, 217, 218, 224, 238, 248, 272, 280, 310, 320, 340, 434, 436, 448, 476, 496, 527, 544, 545, 560, 595, 620, 680, 763, 868, 872, 952, 992, 1054, 1085, 1088, 1090, 1120, 1190, 1240, 1360, 1526, 1736, 1744, 1853, 1904, 1984, 2108, 2170, 2180, 2240, 2380, 2480, 2635, 2720, 3052, 3379, 3472, 3488, 3689, 3706, 3808, 3815, 4216, 4340, 4360, 4760, 4960, 5270, 5440, 6104, 6758, 6944, 6976, 7378, 7412, 7616, 7630, 8432, 8680, 8720, 9265, 9520, 9920, 10540, 12208, 12971, 13516, 13888, 14756, 14824, 15260, 16864, 16895, 17360, 17440, 18445, 18530, 19040, 21080, 23653, 24416, 25942, 27032, 29512, 29648, 30520, 33728, 33790, 34720, 34880, 36890, 37060, 38080, 42160, 47306, 48832, 51884, 54064, 57443, 59024, 59296, 61040, 64855, 67580, 69440, 73780, 74120, 84320, 94612, 103768, 108128, 114886, 118048, 118265, 118592, 122080, 129710, 135160, 147560, 148240, 168640, 189224, 207536, 216256, 229772, 236096, 236530, 244160, 259420, 270320, 287215, 295120, 296480, 378448, 402101, 415072, 459544, 473060, 518840, 540640, 574430, 590240, 592960, 756896, 804202, 830144, 919088, 946120, 1037680, 1081280, 1148860, 1180480, 1513792, 1608404, 1838176, 1892240, 2010505, 2075360, 2297720, 3216808, 3676352, 3784480, 4021010, 4150720, 4595440, 6433616, 7568960, 8042020, 9190880, 12867232, 16084040, 18381760, 25734464, 32168080, 64336160, 128672320]

約数ペア:

[(1, 128672320), (2, 64336160), (4, 32168080), (5, 25734464), (7, 18381760), (8, 16084040), (10, 12867232), (14, 9190880), (16, 8042020), (17, 7568960), (20, 6433616), (28, 4595440), (31, 4150720), (32, 4021010), (34, 3784480), (35, 3676352), (40, 3216808), (56, 2297720), (62, 2075360), (64, 2010505), (68, 1892240), (70, 1838176), (80, 1608404), (85, 1513792), (109, 1180480), (112, 1148860), (119, 1081280), (124, 1037680), (136, 946120), (140, 919088), (155, 830144), (160, 804202), (170, 756896), (217, 592960), (218, 590240), (224, 574430), (238, 540640), (248, 518840), (272, 473060), (280, 459544), (310, 415072), (320, 402101), (340, 378448), (434, 296480), (436, 295120), (448, 287215), (476, 270320), (496, 259420), (527, 244160), (544, 236530), (545, 236096), (560, 229772), (595, 216256), (620, 207536), (680, 189224), (763, 168640), (868, 148240), (872, 147560), (952, 135160), (992, 129710), (1054, 122080), (1085, 118592), (1088, 118265), (1090, 118048), (1120, 114886), (1190, 108128), (1240, 103768), (1360, 94612), (1526, 84320), (1736, 74120), (1744, 73780), (1853, 69440), (1904, 67580), (1984, 64855), (2108, 61040), (2170, 59296), (2180, 59024), (2240, 57443), (2380, 54064), (2480, 51884), (2635, 48832), (2720, 47306), (3052, 42160), (3379, 38080), (3472, 37060), (3488, 36890), (3689, 34880), (3706, 34720), (3808, 33790), (3815, 33728), (4216, 30520), (4340, 29648), (4360, 29512), (4760, 27032), (4960, 25942), (5270, 24416), (5440, 23653), (6104, 21080), (6758, 19040), (6944, 18530), (6976, 18445), (7378, 17440), (7412, 17360), (7616, 16895), (7630, 16864), (8432, 15260), (8680, 14824), (8720, 14756), (9265, 13888), (9520, 13516), (9920, 12971), (10540, 12208)]