71938720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64231}}^1$

素因数の和:64253

約数の個数: 48

約数和(自身を含む): 194237568

約数和(自身を除く): 122298848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64231, 128462, 256924, 321155, 449617, 513848, 642310, 899234, 1027696, 1284620, 1798468, 2055392, 2248085, 2569240, 3596936, 4496170, 5138480, 7193872, 8992340, 10276960, 14387744, 17984680, 35969360, 71938720]

約数ペア:

[(1, 71938720), (2, 35969360), (4, 17984680), (5, 14387744), (7, 10276960), (8, 8992340), (10, 7193872), (14, 5138480), (16, 4496170), (20, 3596936), (28, 2569240), (32, 2248085), (35, 2055392), (40, 1798468), (56, 1284620), (70, 1027696), (80, 899234), (112, 642310), (140, 513848), (160, 449617), (224, 321155), (280, 256924), (560, 128462), (1120, 64231)]