18054120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21493}}^1$

素因数の和:21514

約数の個数: 64

約数和(自身を含む): 61902720

約数和(自身を除く): 43848600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21493, 42986, 64479, 85972, 107465, 128958, 150451, 171944, 214930, 257916, 300902, 322395, 429860, 451353, 515832, 601804, 644790, 752255, 859720, 902706, 1203608, 1289580, 1504510, 1805412, 2256765, 2579160, 3009020, 3610824, 4513530, 6018040, 9027060, 18054120]

約数ペア:

[(1, 18054120), (2, 9027060), (3, 6018040), (4, 4513530), (5, 3610824), (6, 3009020), (7, 2579160), (8, 2256765), (10, 1805412), (12, 1504510), (14, 1289580), (15, 1203608), (20, 902706), (21, 859720), (24, 752255), (28, 644790), (30, 601804), (35, 515832), (40, 451353), (42, 429860), (56, 322395), (60, 300902), (70, 257916), (84, 214930), (105, 171944), (120, 150451), (140, 128958), (168, 107465), (210, 85972), (280, 64479), (420, 42986), (840, 21493)]