398423040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{25939}}^1$

素因数の和:25967

約数の個数: 88

約数和(自身を含む): 1274380320

約数和(自身を除く): 875957280

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, 25939, 51878, 77817, 103756, 129695, 155634, 207512, 259390, 311268, 389085, 415024, 518780, 622536, 778170, 830048, 1037560, 1245072, 1556340, 1660096, 2075120, 2490144, 3112680, 3320192, 4150240, 4980288, 6225360, 6640384, 8300480, 9960576, 12450720, 13280768, 16600960, 19921152, 24901440, 26561536, 33201920, 39842304, 49802880, 66403840, 79684608, 99605760, 132807680, 199211520, 398423040]

約数ペア:

[(1, 398423040), (2, 199211520), (3, 132807680), (4, 99605760), (5, 79684608), (6, 66403840), (8, 49802880), (10, 39842304), (12, 33201920), (15, 26561536), (16, 24901440), (20, 19921152), (24, 16600960), (30, 13280768), (32, 12450720), (40, 9960576), (48, 8300480), (60, 6640384), (64, 6225360), (80, 4980288), (96, 4150240), (120, 3320192), (128, 3112680), (160, 2490144), (192, 2075120), (240, 1660096), (256, 1556340), (320, 1245072), (384, 1037560), (480, 830048), (512, 778170), (640, 622536), (768, 518780), (960, 415024), (1024, 389085), (1280, 311268), (1536, 259390), (1920, 207512), (2560, 155634), (3072, 129695), (3840, 103756), (5120, 77817), (7680, 51878), (15360, 25939)]