28987260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2699}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 81648000

約数和(自身を除く): 52660740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2685, 2699, 3580, 5370, 5398, 8097, 10740, 10796, 13495, 16194, 26990, 32388, 40485, 53980, 80970, 161940, 483121, 966242, 1449363, 1932484, 2415605, 2898726, 4831210, 5797452, 7246815, 9662420, 14493630, 28987260]

約数ペア:

[(1, 28987260), (2, 14493630), (3, 9662420), (4, 7246815), (5, 5797452), (6, 4831210), (10, 2898726), (12, 2415605), (15, 1932484), (20, 1449363), (30, 966242), (60, 483121), (179, 161940), (358, 80970), (537, 53980), (716, 40485), (895, 32388), (1074, 26990), (1790, 16194), (2148, 13495), (2685, 10796), (2699, 10740), (3580, 8097), (5370, 5398)]