393901440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{205157}}^1$

素因数の和:205179

約数の個数: 64

約数和(自身を含む): 1255566960

約数和(自身を除く): 861665520

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, 320, 384, 480, 640, 960, 1920, 205157, 410314, 615471, 820628, 1025785, 1230942, 1641256, 2051570, 2461884, 3077355, 3282512, 4103140, 4923768, 6154710, 6565024, 8206280, 9847536, 12309420, 13130048, 16412560, 19695072, 24618840, 26260096, 32825120, 39390144, 49237680, 65650240, 78780288, 98475360, 131300480, 196950720, 393901440]

約数ペア:

[(1, 393901440), (2, 196950720), (3, 131300480), (4, 98475360), (5, 78780288), (6, 65650240), (8, 49237680), (10, 39390144), (12, 32825120), (15, 26260096), (16, 24618840), (20, 19695072), (24, 16412560), (30, 13130048), (32, 12309420), (40, 9847536), (48, 8206280), (60, 6565024), (64, 6154710), (80, 4923768), (96, 4103140), (120, 3282512), (128, 3077355), (160, 2461884), (192, 2051570), (240, 1641256), (320, 1230942), (384, 1025785), (480, 820628), (640, 615471), (960, 410314), (1920, 205157)]