15696989720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{20113}}^1$

素因数の和:20412

約数の個数: 64

約数和(自身を含む): 35843148000

約数和(自身を除く): 20146158280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 179, 218, 358, 436, 545, 716, 872, 895, 1090, 1432, 1790, 2180, 3580, 4360, 7160, 19511, 20113, 39022, 40226, 78044, 80452, 97555, 100565, 156088, 160904, 195110, 201130, 390220, 402260, 780440, 804520, 2192317, 3600227, 4384634, 7200454, 8769268, 10961585, 14400908, 17538536, 18001135, 21923170, 28801816, 36002270, 43846340, 72004540, 87692680, 144009080, 392424743, 784849486, 1569698972, 1962123715, 3139397944, 3924247430, 7848494860, 15696989720]

約数ペア:

[(1, 15696989720), (2, 7848494860), (4, 3924247430), (5, 3139397944), (8, 1962123715), (10, 1569698972), (20, 784849486), (40, 392424743), (109, 144009080), (179, 87692680), (218, 72004540), (358, 43846340), (436, 36002270), (545, 28801816), (716, 21923170), (872, 18001135), (895, 17538536), (1090, 14400908), (1432, 10961585), (1790, 8769268), (2180, 7200454), (3580, 4384634), (4360, 3600227), (7160, 2192317), (19511, 804520), (20113, 780440), (39022, 402260), (40226, 390220), (78044, 201130), (80452, 195110), (97555, 160904), (100565, 156088)]