129568960

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2753

約数の個数: 56

約数和(自身を含む): 310621680

約数和(自身を除く): 181052720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 2579, 3140, 5024, 5158, 6280, 10048, 10316, 12560, 12895, 20632, 25120, 25790, 41264, 50240, 51580, 82528, 103160, 165056, 206320, 404903, 412640, 809806, 825280, 1619612, 2024515, 3239224, 4049030, 6478448, 8098060, 12956896, 16196120, 25913792, 32392240, 64784480, 129568960]

約数ペア:

[(1, 129568960), (2, 64784480), (4, 32392240), (5, 25913792), (8, 16196120), (10, 12956896), (16, 8098060), (20, 6478448), (32, 4049030), (40, 3239224), (64, 2024515), (80, 1619612), (157, 825280), (160, 809806), (314, 412640), (320, 404903), (628, 206320), (785, 165056), (1256, 103160), (1570, 82528), (2512, 51580), (2579, 50240), (3140, 41264), (5024, 25790), (5158, 25120), (6280, 20632), (10048, 12895), (10316, 12560)]