30062720

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 72705600

約数和(自身を除く): 42642880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 439, 535, 640, 856, 878, 1070, 1712, 1756, 2140, 2195, 3424, 3512, 4280, 4390, 6848, 7024, 8560, 8780, 13696, 14048, 17120, 17560, 28096, 34240, 35120, 46973, 56192, 68480, 70240, 93946, 140480, 187892, 234865, 280960, 375784, 469730, 751568, 939460, 1503136, 1878920, 3006272, 3757840, 6012544, 7515680, 15031360, 30062720]

約数ペア:

[(1, 30062720), (2, 15031360), (4, 7515680), (5, 6012544), (8, 3757840), (10, 3006272), (16, 1878920), (20, 1503136), (32, 939460), (40, 751568), (64, 469730), (80, 375784), (107, 280960), (128, 234865), (160, 187892), (214, 140480), (320, 93946), (428, 70240), (439, 68480), (535, 56192), (640, 46973), (856, 35120), (878, 34240), (1070, 28096), (1712, 17560), (1756, 17120), (2140, 14048), (2195, 13696), (3424, 8780), (3512, 8560), (4280, 7024), (4390, 6848)]