1640885789090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{15889}}^1\times {\mathrm{6491}}^1$

素因数の和:22467

約数の個数: 64

約数和(自身を含む): 3104639556480

約数和(自身を除く): 1463753767390

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 3182, 6491, 7955, 12982, 15889, 15910, 31778, 32455, 64910, 79445, 158890, 240167, 279113, 480334, 558226, 587893, 683227, 1175786, 1200835, 1366454, 1395565, 2401670, 2791130, 2939465, 3416135, 5878930, 6832270, 10327181, 20654362, 25279399, 50558798, 51635905, 103135499, 103271810, 126396995, 206270998, 252793990, 515677495, 1031354990, 3816013463, 4434826457, 7632026926, 8869652914, 19080067315, 22174132285, 38160134630, 44348264570, 164088578909, 328177157818, 820442894545, 1640885789090]

約数ペア:

[(1, 1640885789090), (2, 820442894545), (5, 328177157818), (10, 164088578909), (37, 44348264570), (43, 38160134630), (74, 22174132285), (86, 19080067315), (185, 8869652914), (215, 7632026926), (370, 4434826457), (430, 3816013463), (1591, 1031354990), (3182, 515677495), (6491, 252793990), (7955, 206270998), (12982, 126396995), (15889, 103271810), (15910, 103135499), (31778, 51635905), (32455, 50558798), (64910, 25279399), (79445, 20654362), (158890, 10327181), (240167, 6832270), (279113, 5878930), (480334, 3416135), (558226, 2939465), (587893, 2791130), (683227, 2401670), (1175786, 1395565), (1200835, 1366454)]