72896000

素因数分解:

$2^9\times 5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 195335712

約数和(自身を除く): 122439712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 67, 68, 80, 85, 100, 125, 128, 134, 136, 160, 170, 200, 250, 256, 268, 272, 320, 335, 340, 400, 425, 500, 512, 536, 544, 640, 670, 680, 800, 850, 1000, 1072, 1088, 1139, 1280, 1340, 1360, 1600, 1675, 1700, 2000, 2125, 2144, 2176, 2278, 2560, 2680, 2720, 3200, 3350, 3400, 4000, 4250, 4288, 4352, 4556, 5360, 5440, 5695, 6400, 6700, 6800, 8000, 8375, 8500, 8576, 8704, 9112, 10720, 10880, 11390, 12800, 13400, 13600, 16000, 16750, 17000, 17152, 18224, 21440, 21760, 22780, 26800, 27200, 28475, 32000, 33500, 34000, 34304, 36448, 42880, 43520, 45560, 53600, 54400, 56950, 64000, 67000, 68000, 72896, 85760, 91120, 107200, 108800, 113900, 134000, 136000, 142375, 145792, 171520, 182240, 214400, 217600, 227800, 268000, 272000, 284750, 291584, 364480, 428800, 455600, 536000, 544000, 569500, 583168, 728960, 857600, 911200, 1072000, 1088000, 1139000, 1457920, 1822400, 2144000, 2278000, 2915840, 3644800, 4288000, 4556000, 7289600, 9112000, 14579200, 18224000, 36448000, 72896000]

約数ペア:

[(1, 72896000), (2, 36448000), (4, 18224000), (5, 14579200), (8, 9112000), (10, 7289600), (16, 4556000), (17, 4288000), (20, 3644800), (25, 2915840), (32, 2278000), (34, 2144000), (40, 1822400), (50, 1457920), (64, 1139000), (67, 1088000), (68, 1072000), (80, 911200), (85, 857600), (100, 728960), (125, 583168), (128, 569500), (134, 544000), (136, 536000), (160, 455600), (170, 428800), (200, 364480), (250, 291584), (256, 284750), (268, 272000), (272, 268000), (320, 227800), (335, 217600), (340, 214400), (400, 182240), (425, 171520), (500, 145792), (512, 142375), (536, 136000), (544, 134000), (640, 113900), (670, 108800), (680, 107200), (800, 91120), (850, 85760), (1000, 72896), (1072, 68000), (1088, 67000), (1139, 64000), (1280, 56950), (1340, 54400), (1360, 53600), (1600, 45560), (1675, 43520), (1700, 42880), (2000, 36448), (2125, 34304), (2144, 34000), (2176, 33500), (2278, 32000), (2560, 28475), (2680, 27200), (2720, 26800), (3200, 22780), (3350, 21760), (3400, 21440), (4000, 18224), (4250, 17152), (4288, 17000), (4352, 16750), (4556, 16000), (5360, 13600), (5440, 13400), (5695, 12800), (6400, 11390), (6700, 10880), (6800, 10720), (8000, 9112), (8375, 8704), (8500, 8576)]