131504640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17123}}^1$

素因数の和:17149

約数の個数: 80

約数和(自身を含む): 420428448

約数和(自身を除く): 288923808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 17123, 34246, 51369, 68492, 85615, 102738, 136984, 171230, 205476, 256845, 273968, 342460, 410952, 513690, 547936, 684920, 821904, 1027380, 1095872, 1369840, 1643808, 2054760, 2191744, 2739680, 3287616, 4109520, 4383488, 5479360, 6575232, 8219040, 8766976, 10958720, 13150464, 16438080, 21917440, 26300928, 32876160, 43834880, 65752320, 131504640]

約数ペア:

[(1, 131504640), (2, 65752320), (3, 43834880), (4, 32876160), (5, 26300928), (6, 21917440), (8, 16438080), (10, 13150464), (12, 10958720), (15, 8766976), (16, 8219040), (20, 6575232), (24, 5479360), (30, 4383488), (32, 4109520), (40, 3287616), (48, 2739680), (60, 2191744), (64, 2054760), (80, 1643808), (96, 1369840), (120, 1095872), (128, 1027380), (160, 821904), (192, 684920), (240, 547936), (256, 513690), (320, 410952), (384, 342460), (480, 273968), (512, 256845), (640, 205476), (768, 171230), (960, 136984), (1280, 102738), (1536, 85615), (1920, 68492), (2560, 51369), (3840, 34246), (7680, 17123)]