1290705920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{36013}}^1$

素因数の和:36045

約数の個数: 88

約数和(自身を含む): 3538591584

約数和(自身を除く): 2247885664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 36013, 72026, 144052, 180065, 252091, 288104, 360130, 504182, 576208, 720260, 1008364, 1152416, 1260455, 1440520, 2016728, 2304832, 2520910, 2881040, 4033456, 4609664, 5041820, 5762080, 8066912, 9219328, 10083640, 11524160, 16133824, 18438656, 20167280, 23048320, 32267648, 36877312, 40334560, 46096640, 64535296, 80669120, 92193280, 129070592, 161338240, 184386560, 258141184, 322676480, 645352960, 1290705920]

約数ペア:

[(1, 1290705920), (2, 645352960), (4, 322676480), (5, 258141184), (7, 184386560), (8, 161338240), (10, 129070592), (14, 92193280), (16, 80669120), (20, 64535296), (28, 46096640), (32, 40334560), (35, 36877312), (40, 32267648), (56, 23048320), (64, 20167280), (70, 18438656), (80, 16133824), (112, 11524160), (128, 10083640), (140, 9219328), (160, 8066912), (224, 5762080), (256, 5041820), (280, 4609664), (320, 4033456), (448, 2881040), (512, 2520910), (560, 2304832), (640, 2016728), (896, 1440520), (1024, 1260455), (1120, 1152416), (1280, 1008364), (1792, 720260), (2240, 576208), (2560, 504182), (3584, 360130), (4480, 288104), (5120, 252091), (7168, 180065), (8960, 144052), (17920, 72026), (35840, 36013)]