79842400

素因数分解:

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

素因数の和:285

約数の個数: 144

約数和(自身を含む): 218611008

約数和(自身を除く): 138768608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 43, 44, 50, 55, 80, 86, 88, 100, 110, 160, 172, 176, 200, 211, 215, 220, 275, 344, 352, 400, 422, 430, 440, 473, 550, 688, 800, 844, 860, 880, 946, 1055, 1075, 1100, 1376, 1688, 1720, 1760, 1892, 2110, 2150, 2200, 2321, 2365, 3376, 3440, 3784, 4220, 4300, 4400, 4642, 4730, 5275, 6752, 6880, 7568, 8440, 8600, 8800, 9073, 9284, 9460, 10550, 11605, 11825, 15136, 16880, 17200, 18146, 18568, 18920, 21100, 23210, 23650, 33760, 34400, 36292, 37136, 37840, 42200, 45365, 46420, 47300, 58025, 72584, 74272, 75680, 84400, 90730, 92840, 94600, 99803, 116050, 145168, 168800, 181460, 185680, 189200, 199606, 226825, 232100, 290336, 362920, 371360, 378400, 399212, 453650, 464200, 499015, 725840, 798424, 907300, 928400, 998030, 1451680, 1596848, 1814600, 1856800, 1996060, 2495075, 3193696, 3629200, 3992120, 4990150, 7258400, 7984240, 9980300, 15968480, 19960600, 39921200, 79842400]

約数ペア:

[(1, 79842400), (2, 39921200), (4, 19960600), (5, 15968480), (8, 9980300), (10, 7984240), (11, 7258400), (16, 4990150), (20, 3992120), (22, 3629200), (25, 3193696), (32, 2495075), (40, 1996060), (43, 1856800), (44, 1814600), (50, 1596848), (55, 1451680), (80, 998030), (86, 928400), (88, 907300), (100, 798424), (110, 725840), (160, 499015), (172, 464200), (176, 453650), (200, 399212), (211, 378400), (215, 371360), (220, 362920), (275, 290336), (344, 232100), (352, 226825), (400, 199606), (422, 189200), (430, 185680), (440, 181460), (473, 168800), (550, 145168), (688, 116050), (800, 99803), (844, 94600), (860, 92840), (880, 90730), (946, 84400), (1055, 75680), (1075, 74272), (1100, 72584), (1376, 58025), (1688, 47300), (1720, 46420), (1760, 45365), (1892, 42200), (2110, 37840), (2150, 37136), (2200, 36292), (2321, 34400), (2365, 33760), (3376, 23650), (3440, 23210), (3784, 21100), (4220, 18920), (4300, 18568), (4400, 18146), (4642, 17200), (4730, 16880), (5275, 15136), (6752, 11825), (6880, 11605), (7568, 10550), (8440, 9460), (8600, 9284), (8800, 9073)]