15591660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37123}}^1$

素因数の和:37142

約数の個数: 48

約数和(自身を含む): 49894656

約数和(自身を除く): 34302996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37123, 74246, 111369, 148492, 185615, 222738, 259861, 371230, 445476, 519722, 556845, 742460, 779583, 1039444, 1113690, 1299305, 1559166, 2227380, 2598610, 3118332, 3897915, 5197220, 7795830, 15591660]

約数ペア:

[(1, 15591660), (2, 7795830), (3, 5197220), (4, 3897915), (5, 3118332), (6, 2598610), (7, 2227380), (10, 1559166), (12, 1299305), (14, 1113690), (15, 1039444), (20, 779583), (21, 742460), (28, 556845), (30, 519722), (35, 445476), (42, 371230), (60, 259861), (70, 222738), (84, 185615), (105, 148492), (140, 111369), (210, 74246), (420, 37123)]