19712255760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27378133}}^1$

素因数の和:27378152

約数の個数: 60

約数和(自身を含む): 66200328012

約数和(自身を除く): 46488072252

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27378133, 54756266, 82134399, 109512532, 136890665, 164268798, 219025064, 246403197, 273781330, 328537596, 410671995, 438050128, 492806394, 547562660, 657075192, 821343990, 985612788, 1095125320, 1232015985, 1314150384, 1642687980, 1971225576, 2190250640, 2464031970, 3285375960, 3942451152, 4928063940, 6570751920, 9856127880, 19712255760]

約数ペア:

[(1, 19712255760), (2, 9856127880), (3, 6570751920), (4, 4928063940), (5, 3942451152), (6, 3285375960), (8, 2464031970), (9, 2190250640), (10, 1971225576), (12, 1642687980), (15, 1314150384), (16, 1232015985), (18, 1095125320), (20, 985612788), (24, 821343990), (30, 657075192), (36, 547562660), (40, 492806394), (45, 438050128), (48, 410671995), (60, 328537596), (72, 273781330), (80, 246403197), (90, 219025064), (120, 164268798), (144, 136890665), (180, 109512532), (240, 82134399), (360, 54756266), (720, 27378133)]