291210240

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{18959}}^1$

素因数の和:18987

約数の個数: 88

約数和(自身を含む): 931466880

約数和(自身を除く): 640256640

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 18959, 37918, 56877, 75836, 94795, 113754, 151672, 189590, 227508, 284385, 303344, 379180, 455016, 568770, 606688, 758360, 910032, 1137540, 1213376, 1516720, 1820064, 2275080, 2426752, 3033440, 3640128, 4550160, 4853504, 6066880, 7280256, 9100320, 9707008, 12133760, 14560512, 18200640, 19414016, 24267520, 29121024, 36401280, 48535040, 58242048, 72802560, 97070080, 145605120, 291210240]

約数ペア:

[(1, 291210240), (2, 145605120), (3, 97070080), (4, 72802560), (5, 58242048), (6, 48535040), (8, 36401280), (10, 29121024), (12, 24267520), (15, 19414016), (16, 18200640), (20, 14560512), (24, 12133760), (30, 9707008), (32, 9100320), (40, 7280256), (48, 6066880), (60, 4853504), (64, 4550160), (80, 3640128), (96, 3033440), (120, 2426752), (128, 2275080), (160, 1820064), (192, 1516720), (240, 1213376), (256, 1137540), (320, 910032), (384, 758360), (480, 606688), (512, 568770), (640, 455016), (768, 379180), (960, 303344), (1024, 284385), (1280, 227508), (1536, 189590), (1920, 151672), (2560, 113754), (3072, 94795), (3840, 75836), (5120, 56877), (7680, 37918), (15360, 18959)]