987628800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{51439}}^1$

素因数の和:51468

約数の個数: 108

約数和(自身を含む): 3259444160

約数和(自身を除く): 2271815360

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, 9600, 19200, 51439, 102878, 154317, 205756, 257195, 308634, 411512, 514390, 617268, 771585, 823024, 1028780, 1234536, 1285975, 1543170, 1646048, 2057560, 2469072, 2571950, 3086340, 3292096, 3857925, 4115120, 4938144, 5143900, 6172680, 6584192, 7715850, 8230240, 9876288, 10287800, 12345360, 13168384, 15431700, 16460480, 19752576, 20575600, 24690720, 30863400, 32920960, 39505152, 41151200, 49381440, 61726800, 65841920, 82302400, 98762880, 123453600, 164604800, 197525760, 246907200, 329209600, 493814400, 987628800]

約数ペア:

[(1, 987628800), (2, 493814400), (3, 329209600), (4, 246907200), (5, 197525760), (6, 164604800), (8, 123453600), (10, 98762880), (12, 82302400), (15, 65841920), (16, 61726800), (20, 49381440), (24, 41151200), (25, 39505152), (30, 32920960), (32, 30863400), (40, 24690720), (48, 20575600), (50, 19752576), (60, 16460480), (64, 15431700), (75, 13168384), (80, 12345360), (96, 10287800), (100, 9876288), (120, 8230240), (128, 7715850), (150, 6584192), (160, 6172680), (192, 5143900), (200, 4938144), (240, 4115120), (256, 3857925), (300, 3292096), (320, 3086340), (384, 2571950), (400, 2469072), (480, 2057560), (600, 1646048), (640, 1543170), (768, 1285975), (800, 1234536), (960, 1028780), (1200, 823024), (1280, 771585), (1600, 617268), (1920, 514390), (2400, 411512), (3200, 308634), (3840, 257195), (4800, 205756), (6400, 154317), (9600, 102878), (19200, 51439)]