77938720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21179}}^1$

素因数の和:21217

約数の個数: 48

約数和(自身を含む): 192144960

約数和(自身を除く): 114206240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21179, 42358, 84716, 105895, 169432, 211790, 338864, 423580, 487117, 677728, 847160, 974234, 1694320, 1948468, 2435585, 3388640, 3896936, 4871170, 7793872, 9742340, 15587744, 19484680, 38969360, 77938720]

約数ペア:

[(1, 77938720), (2, 38969360), (4, 19484680), (5, 15587744), (8, 9742340), (10, 7793872), (16, 4871170), (20, 3896936), (23, 3388640), (32, 2435585), (40, 1948468), (46, 1694320), (80, 974234), (92, 847160), (115, 677728), (160, 487117), (184, 423580), (230, 338864), (368, 211790), (460, 169432), (736, 105895), (920, 84716), (1840, 42358), (3680, 21179)]