15968480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 42311808

約数和(自身を除く): 26343328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 211, 215, 220, 344, 352, 422, 430, 440, 473, 688, 844, 860, 880, 946, 1055, 1376, 1688, 1720, 1760, 1892, 2110, 2321, 2365, 3376, 3440, 3784, 4220, 4642, 4730, 6752, 6880, 7568, 8440, 9073, 9284, 9460, 11605, 15136, 16880, 18146, 18568, 18920, 23210, 33760, 36292, 37136, 37840, 45365, 46420, 72584, 74272, 75680, 90730, 92840, 99803, 145168, 181460, 185680, 199606, 290336, 362920, 371360, 399212, 499015, 725840, 798424, 998030, 1451680, 1596848, 1996060, 3193696, 3992120, 7984240, 15968480]

約数ペア:

[(1, 15968480), (2, 7984240), (4, 3992120), (5, 3193696), (8, 1996060), (10, 1596848), (11, 1451680), (16, 998030), (20, 798424), (22, 725840), (32, 499015), (40, 399212), (43, 371360), (44, 362920), (55, 290336), (80, 199606), (86, 185680), (88, 181460), (110, 145168), (160, 99803), (172, 92840), (176, 90730), (211, 75680), (215, 74272), (220, 72584), (344, 46420), (352, 45365), (422, 37840), (430, 37136), (440, 36292), (473, 33760), (688, 23210), (844, 18920), (860, 18568), (880, 18146), (946, 16880), (1055, 15136), (1376, 11605), (1688, 9460), (1720, 9284), (1760, 9073), (1892, 8440), (2110, 7568), (2321, 6880), (2365, 6752), (3376, 4730), (3440, 4642), (3784, 4220)]