128428800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{6689}}^1$

素因数の和:6718

約数の個数: 108

約数和(自身を含む): 423905160

約数和(自身を除く): 295476360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 6689, 9600, 13378, 19200, 20067, 26756, 33445, 40134, 53512, 66890, 80268, 100335, 107024, 133780, 160536, 167225, 200670, 214048, 267560, 321072, 334450, 401340, 428096, 501675, 535120, 642144, 668900, 802680, 856192, 1003350, 1070240, 1284288, 1337800, 1605360, 1712384, 2006700, 2140480, 2568576, 2675600, 3210720, 4013400, 4280960, 5137152, 5351200, 6421440, 8026800, 8561920, 10702400, 12842880, 16053600, 21404800, 25685760, 32107200, 42809600, 64214400, 128428800]

約数ペア:

[(1, 128428800), (2, 64214400), (3, 42809600), (4, 32107200), (5, 25685760), (6, 21404800), (8, 16053600), (10, 12842880), (12, 10702400), (15, 8561920), (16, 8026800), (20, 6421440), (24, 5351200), (25, 5137152), (30, 4280960), (32, 4013400), (40, 3210720), (48, 2675600), (50, 2568576), (60, 2140480), (64, 2006700), (75, 1712384), (80, 1605360), (96, 1337800), (100, 1284288), (120, 1070240), (128, 1003350), (150, 856192), (160, 802680), (192, 668900), (200, 642144), (240, 535120), (256, 501675), (300, 428096), (320, 401340), (384, 334450), (400, 321072), (480, 267560), (600, 214048), (640, 200670), (768, 167225), (800, 160536), (960, 133780), (1200, 107024), (1280, 100335), (1600, 80268), (1920, 66890), (2400, 53512), (3200, 40134), (3840, 33445), (4800, 26756), (6400, 20067), (6689, 19200), (9600, 13378)]