18885120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2459}}^1$

素因数の和:2485

約数の個数: 80

約数和(自身を含む): 60397920

約数和(自身を除く): 41512800

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, 2459, 2560, 3840, 4918, 7377, 7680, 9836, 12295, 14754, 19672, 24590, 29508, 36885, 39344, 49180, 59016, 73770, 78688, 98360, 118032, 147540, 157376, 196720, 236064, 295080, 314752, 393440, 472128, 590160, 629504, 786880, 944256, 1180320, 1259008, 1573760, 1888512, 2360640, 3147520, 3777024, 4721280, 6295040, 9442560, 18885120]

約数ペア:

[(1, 18885120), (2, 9442560), (3, 6295040), (4, 4721280), (5, 3777024), (6, 3147520), (8, 2360640), (10, 1888512), (12, 1573760), (15, 1259008), (16, 1180320), (20, 944256), (24, 786880), (30, 629504), (32, 590160), (40, 472128), (48, 393440), (60, 314752), (64, 295080), (80, 236064), (96, 196720), (120, 157376), (128, 147540), (160, 118032), (192, 98360), (240, 78688), (256, 73770), (320, 59016), (384, 49180), (480, 39344), (512, 36885), (640, 29508), (768, 24590), (960, 19672), (1280, 14754), (1536, 12295), (1920, 9836), (2459, 7680), (2560, 7377), (3840, 4918)]