20998450080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14582257}}^1$

素因数の和:14582278

約数の個数: 72

約数和(自身を含む): 71657215812

約数和(自身を除く): 50658765732

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14582257, 29164514, 43746771, 58329028, 72911285, 87493542, 116658056, 131240313, 145822570, 174987084, 218733855, 233316112, 262480626, 291645140, 349974168, 437467710, 466632224, 524961252, 583290280, 656201565, 699948336, 874935420, 1049922504, 1166580560, 1312403130, 1399896672, 1749870840, 2099845008, 2333161120, 2624806260, 3499741680, 4199690016, 5249612520, 6999483360, 10499225040, 20998450080]

約数ペア:

[(1, 20998450080), (2, 10499225040), (3, 6999483360), (4, 5249612520), (5, 4199690016), (6, 3499741680), (8, 2624806260), (9, 2333161120), (10, 2099845008), (12, 1749870840), (15, 1399896672), (16, 1312403130), (18, 1166580560), (20, 1049922504), (24, 874935420), (30, 699948336), (32, 656201565), (36, 583290280), (40, 524961252), (45, 466632224), (48, 437467710), (60, 349974168), (72, 291645140), (80, 262480626), (90, 233316112), (96, 218733855), (120, 174987084), (144, 145822570), (160, 131240313), (180, 116658056), (240, 87493542), (288, 72911285), (360, 58329028), (480, 43746771), (720, 29164514), (1440, 14582257)]