20409600

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1063}}^1$

素因数の和:1092

約数の個数: 108

約数和(自身を含む): 67419296

約数和(自身を除く): 47009696

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, 1063, 1200, 1280, 1600, 1920, 2126, 2400, 3189, 3200, 3840, 4252, 4800, 5315, 6378, 6400, 8504, 9600, 10630, 12756, 15945, 17008, 19200, 21260, 25512, 26575, 31890, 34016, 42520, 51024, 53150, 63780, 68032, 79725, 85040, 102048, 106300, 127560, 136064, 159450, 170080, 204096, 212600, 255120, 272128, 318900, 340160, 408192, 425200, 510240, 637800, 680320, 816384, 850400, 1020480, 1275600, 1360640, 1700800, 2040960, 2551200, 3401600, 4081920, 5102400, 6803200, 10204800, 20409600]

約数ペア:

[(1, 20409600), (2, 10204800), (3, 6803200), (4, 5102400), (5, 4081920), (6, 3401600), (8, 2551200), (10, 2040960), (12, 1700800), (15, 1360640), (16, 1275600), (20, 1020480), (24, 850400), (25, 816384), (30, 680320), (32, 637800), (40, 510240), (48, 425200), (50, 408192), (60, 340160), (64, 318900), (75, 272128), (80, 255120), (96, 212600), (100, 204096), (120, 170080), (128, 159450), (150, 136064), (160, 127560), (192, 106300), (200, 102048), (240, 85040), (256, 79725), (300, 68032), (320, 63780), (384, 53150), (400, 51024), (480, 42520), (600, 34016), (640, 31890), (768, 26575), (800, 25512), (960, 21260), (1063, 19200), (1200, 17008), (1280, 15945), (1600, 12756), (1920, 10630), (2126, 9600), (2400, 8504), (3189, 6400), (3200, 6378), (3840, 5315), (4252, 4800)]