2820065940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{10979}}^1$

素因数の和:12421

約数の個数: 72

約数和(自身を含む): 8560974240

約数和(自身を除く): 5740908300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1427, 2854, 4281, 5708, 7135, 8562, 10979, 12843, 14270, 17124, 21405, 21958, 25686, 28540, 32937, 42810, 43916, 51372, 54895, 64215, 65874, 85620, 98811, 109790, 128430, 131748, 164685, 197622, 219580, 256860, 329370, 395244, 494055, 658740, 988110, 1976220, 15667033, 31334066, 47001099, 62668132, 78335165, 94002198, 141003297, 156670330, 188004396, 235005495, 282006594, 313340660, 470010990, 564013188, 705016485, 940021980, 1410032970, 2820065940]

約数ペア:

[(1, 2820065940), (2, 1410032970), (3, 940021980), (4, 705016485), (5, 564013188), (6, 470010990), (9, 313340660), (10, 282006594), (12, 235005495), (15, 188004396), (18, 156670330), (20, 141003297), (30, 94002198), (36, 78335165), (45, 62668132), (60, 47001099), (90, 31334066), (180, 15667033), (1427, 1976220), (2854, 988110), (4281, 658740), (5708, 494055), (7135, 395244), (8562, 329370), (10979, 256860), (12843, 219580), (14270, 197622), (17124, 164685), (21405, 131748), (21958, 128430), (25686, 109790), (28540, 98811), (32937, 85620), (42810, 65874), (43916, 64215), (51372, 54895)]