28809780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1913}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 81031104

約数和(自身を除く): 52221324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 1913, 2510, 3012, 3765, 3826, 5020, 5739, 7530, 7652, 9565, 11478, 15060, 19130, 22956, 28695, 38260, 57390, 114780, 480163, 960326, 1440489, 1920652, 2400815, 2880978, 4801630, 5761956, 7202445, 9603260, 14404890, 28809780]

約数ペア:

[(1, 28809780), (2, 14404890), (3, 9603260), (4, 7202445), (5, 5761956), (6, 4801630), (10, 2880978), (12, 2400815), (15, 1920652), (20, 1440489), (30, 960326), (60, 480163), (251, 114780), (502, 57390), (753, 38260), (1004, 28695), (1255, 22956), (1506, 19130), (1913, 15060), (2510, 11478), (3012, 9565), (3765, 7652), (3826, 7530), (5020, 5739)]