243840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 783360

約数和(自身を除く): 539520

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, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 960, 1016, 1270, 1524, 1905, 1920, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 8128, 10160, 12192, 15240, 16256, 20320, 24384, 30480, 40640, 48768, 60960, 81280, 121920, 243840]

約数ペア:

[(1, 243840), (2, 121920), (3, 81280), (4, 60960), (5, 48768), (6, 40640), (8, 30480), (10, 24384), (12, 20320), (15, 16256), (16, 15240), (20, 12192), (24, 10160), (30, 8128), (32, 7620), (40, 6096), (48, 5080), (60, 4064), (64, 3810), (80, 3048), (96, 2540), (120, 2032), (127, 1920), (128, 1905), (160, 1524), (192, 1270), (240, 1016), (254, 960), (320, 762), (381, 640), (384, 635), (480, 508)]