139916800

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 120

約数和(自身を含む): 367617096

約数和(自身を除く): 227700296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 512, 544, 640, 643, 680, 800, 850, 1088, 1280, 1286, 1360, 1600, 1700, 2176, 2560, 2572, 2720, 3200, 3215, 3400, 4352, 5144, 5440, 6400, 6430, 6800, 8704, 10288, 10880, 10931, 12800, 12860, 13600, 16075, 20576, 21760, 21862, 25720, 27200, 32150, 41152, 43520, 43724, 51440, 54400, 54655, 64300, 82304, 87448, 102880, 108800, 109310, 128600, 164608, 174896, 205760, 217600, 218620, 257200, 273275, 329216, 349792, 411520, 437240, 514400, 546550, 699584, 823040, 874480, 1028800, 1093100, 1399168, 1646080, 1748960, 2057600, 2186200, 2798336, 3497920, 4115200, 4372400, 5596672, 6995840, 8230400, 8744800, 13991680, 17489600, 27983360, 34979200, 69958400, 139916800]

約数ペア:

[(1, 139916800), (2, 69958400), (4, 34979200), (5, 27983360), (8, 17489600), (10, 13991680), (16, 8744800), (17, 8230400), (20, 6995840), (25, 5596672), (32, 4372400), (34, 4115200), (40, 3497920), (50, 2798336), (64, 2186200), (68, 2057600), (80, 1748960), (85, 1646080), (100, 1399168), (128, 1093100), (136, 1028800), (160, 874480), (170, 823040), (200, 699584), (256, 546550), (272, 514400), (320, 437240), (340, 411520), (400, 349792), (425, 329216), (512, 273275), (544, 257200), (640, 218620), (643, 217600), (680, 205760), (800, 174896), (850, 164608), (1088, 128600), (1280, 109310), (1286, 108800), (1360, 102880), (1600, 87448), (1700, 82304), (2176, 64300), (2560, 54655), (2572, 54400), (2720, 51440), (3200, 43724), (3215, 43520), (3400, 41152), (4352, 32150), (5144, 27200), (5440, 25720), (6400, 21862), (6430, 21760), (6800, 20576), (8704, 16075), (10288, 13600), (10880, 12860), (10931, 12800)]