28296660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 91687680

約数和(自身を除く): 63391020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 757, 890, 1068, 1246, 1335, 1514, 1780, 1869, 2271, 2492, 2670, 3028, 3115, 3738, 3785, 4542, 5299, 5340, 6230, 7476, 7570, 9084, 9345, 10598, 11355, 12460, 15140, 15897, 18690, 21196, 22710, 26495, 31794, 37380, 45420, 52990, 63588, 67373, 79485, 105980, 134746, 158970, 202119, 269492, 317940, 336865, 404238, 471611, 673730, 808476, 943222, 1010595, 1347460, 1414833, 1886444, 2021190, 2358055, 2829666, 4042380, 4716110, 5659332, 7074165, 9432220, 14148330, 28296660]

約数ペア:

[(1, 28296660), (2, 14148330), (3, 9432220), (4, 7074165), (5, 5659332), (6, 4716110), (7, 4042380), (10, 2829666), (12, 2358055), (14, 2021190), (15, 1886444), (20, 1414833), (21, 1347460), (28, 1010595), (30, 943222), (35, 808476), (42, 673730), (60, 471611), (70, 404238), (84, 336865), (89, 317940), (105, 269492), (140, 202119), (178, 158970), (210, 134746), (267, 105980), (356, 79485), (420, 67373), (445, 63588), (534, 52990), (623, 45420), (757, 37380), (890, 31794), (1068, 26495), (1246, 22710), (1335, 21196), (1514, 18690), (1780, 15897), (1869, 15140), (2271, 12460), (2492, 11355), (2670, 10598), (3028, 9345), (3115, 9084), (3738, 7570), (3785, 7476), (4542, 6230), (5299, 5340)]