199211520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{25939}}^1$

素因数の和:25965

約数の個数: 80

約数和(自身を含む): 636878880

約数和(自身を除く): 437667360

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, 2560, 3840, 7680, 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, 33201920, 39842304, 49802880, 66403840, 99605760, 199211520]

約数ペア:

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