38701980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1693}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 118390272

約数和(自身を除く): 79688292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1693, 1905, 2286, 2540, 3386, 3810, 4572, 5079, 5715, 6772, 7620, 8465, 10158, 11430, 15237, 16930, 20316, 22860, 25395, 30474, 33860, 50790, 60948, 76185, 101580, 152370, 215011, 304740, 430022, 645033, 860044, 1075055, 1290066, 1935099, 2150110, 2580132, 3225165, 3870198, 4300220, 6450330, 7740396, 9675495, 12900660, 19350990, 38701980]

約数ペア:

[(1, 38701980), (2, 19350990), (3, 12900660), (4, 9675495), (5, 7740396), (6, 6450330), (9, 4300220), (10, 3870198), (12, 3225165), (15, 2580132), (18, 2150110), (20, 1935099), (30, 1290066), (36, 1075055), (45, 860044), (60, 645033), (90, 430022), (127, 304740), (180, 215011), (254, 152370), (381, 101580), (508, 76185), (635, 60948), (762, 50790), (1143, 33860), (1270, 30474), (1524, 25395), (1693, 22860), (1905, 20316), (2286, 16930), (2540, 15237), (3386, 11430), (3810, 10158), (4572, 8465), (5079, 7620), (5715, 6772)]