218365920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151643}}^1$

素因数の和:151664

約数の個数: 72

約数和(自身を含む): 745178616

約数和(自身を除く): 526812696

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, 151643, 303286, 454929, 606572, 758215, 909858, 1213144, 1364787, 1516430, 1819716, 2274645, 2426288, 2729574, 3032860, 3639432, 4549290, 4852576, 5459148, 6065720, 6823935, 7278864, 9098580, 10918296, 12131440, 13647870, 14557728, 18197160, 21836592, 24262880, 27295740, 36394320, 43673184, 54591480, 72788640, 109182960, 218365920]

約数ペア:

[(1, 218365920), (2, 109182960), (3, 72788640), (4, 54591480), (5, 43673184), (6, 36394320), (8, 27295740), (9, 24262880), (10, 21836592), (12, 18197160), (15, 14557728), (16, 13647870), (18, 12131440), (20, 10918296), (24, 9098580), (30, 7278864), (32, 6823935), (36, 6065720), (40, 5459148), (45, 4852576), (48, 4549290), (60, 3639432), (72, 3032860), (80, 2729574), (90, 2426288), (96, 2274645), (120, 1819716), (144, 1516430), (160, 1364787), (180, 1213144), (240, 909858), (288, 758215), (360, 606572), (480, 454929), (720, 303286), (1440, 151643)]