15071980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9787}}^1$

素因数の和:9814

約数の個数: 48

約数和(自身を含む): 39465216

約数和(自身を除く): 24393236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9787, 19574, 39148, 48935, 68509, 97870, 107657, 137018, 195740, 215314, 274036, 342545, 430628, 538285, 685090, 753599, 1076570, 1370180, 1507198, 2153140, 3014396, 3767995, 7535990, 15071980]

約数ペア:

[(1, 15071980), (2, 7535990), (4, 3767995), (5, 3014396), (7, 2153140), (10, 1507198), (11, 1370180), (14, 1076570), (20, 753599), (22, 685090), (28, 538285), (35, 430628), (44, 342545), (55, 274036), (70, 215314), (77, 195740), (110, 137018), (140, 107657), (154, 97870), (220, 68509), (308, 48935), (385, 39148), (770, 19574), (1540, 9787)]