399488640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{208067}}^1$

素因数の和:208089

約数の個数: 64

約数和(自身を含む): 1273376160

約数和(自身を除く): 873887520

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, 208067, 416134, 624201, 832268, 1040335, 1248402, 1664536, 2080670, 2496804, 3121005, 3329072, 4161340, 4993608, 6242010, 6658144, 8322680, 9987216, 12484020, 13316288, 16645360, 19974432, 24968040, 26632576, 33290720, 39948864, 49936080, 66581440, 79897728, 99872160, 133162880, 199744320, 399488640]

約数ペア:

[(1, 399488640), (2, 199744320), (3, 133162880), (4, 99872160), (5, 79897728), (6, 66581440), (8, 49936080), (10, 39948864), (12, 33290720), (15, 26632576), (16, 24968040), (20, 19974432), (24, 16645360), (30, 13316288), (32, 12484020), (40, 9987216), (48, 8322680), (60, 6658144), (64, 6242010), (80, 4993608), (96, 4161340), (120, 3329072), (128, 3121005), (160, 2496804), (192, 2080670), (240, 1664536), (320, 1248402), (384, 1040335), (480, 832268), (640, 624201), (960, 416134), (1920, 208067)]