2019988080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{255049}}^1$

素因数の和:255079

約数の個数: 120

約数和(自身を含む): 7400530800

約数和(自身を除く): 5380542720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 255049, 510098, 765147, 1020196, 1275245, 1530294, 2040392, 2295441, 2550490, 2805539, 3060588, 3825735, 4080784, 4590882, 5100980, 5611078, 6121176, 7651470, 8416617, 9181764, 10201960, 11222156, 11477205, 12242352, 14027695, 15302940, 16833234, 18363528, 20403920, 22444312, 22954410, 25249851, 28055390, 30605880, 33666468, 36727056, 42083085, 44888624, 45908820, 50499702, 56110780, 61211760, 67332936, 84166170, 91817640, 100999404, 112221560, 126249255, 134665872, 168332340, 183635280, 201998808, 224443120, 252498510, 336664680, 403997616, 504997020, 673329360, 1009994040, 2019988080]

約数ペア:

[(1, 2019988080), (2, 1009994040), (3, 673329360), (4, 504997020), (5, 403997616), (6, 336664680), (8, 252498510), (9, 224443120), (10, 201998808), (11, 183635280), (12, 168332340), (15, 134665872), (16, 126249255), (18, 112221560), (20, 100999404), (22, 91817640), (24, 84166170), (30, 67332936), (33, 61211760), (36, 56110780), (40, 50499702), (44, 45908820), (45, 44888624), (48, 42083085), (55, 36727056), (60, 33666468), (66, 30605880), (72, 28055390), (80, 25249851), (88, 22954410), (90, 22444312), (99, 20403920), (110, 18363528), (120, 16833234), (132, 15302940), (144, 14027695), (165, 12242352), (176, 11477205), (180, 11222156), (198, 10201960), (220, 9181764), (240, 8416617), (264, 7651470), (330, 6121176), (360, 5611078), (396, 5100980), (440, 4590882), (495, 4080784), (528, 3825735), (660, 3060588), (720, 2805539), (792, 2550490), (880, 2295441), (990, 2040392), (1320, 1530294), (1584, 1275245), (1980, 1020196), (2640, 765147), (3960, 510098), (7920, 255049)]