68712280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 195148800

約数和(自身を除く): 126436520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 439, 455, 520, 559, 602, 728, 860, 878, 910, 1118, 1204, 1505, 1720, 1756, 1820, 2195, 2236, 2408, 2795, 3010, 3073, 3512, 3640, 3913, 4390, 4472, 5590, 5707, 6020, 6146, 7826, 8780, 11180, 11414, 12040, 12292, 15365, 15652, 17560, 18877, 19565, 22360, 22828, 24584, 28535, 30730, 31304, 37754, 39130, 39949, 45656, 57070, 61460, 75508, 78260, 79898, 94385, 114140, 122920, 132139, 151016, 156520, 159796, 188770, 199745, 228280, 245401, 264278, 319592, 377540, 399490, 490802, 528556, 660695, 755080, 798980, 981604, 1057112, 1227005, 1321390, 1597960, 1717807, 1963208, 2454010, 2642780, 3435614, 4908020, 5285560, 6871228, 8589035, 9816040, 13742456, 17178070, 34356140, 68712280]

約数ペア:

[(1, 68712280), (2, 34356140), (4, 17178070), (5, 13742456), (7, 9816040), (8, 8589035), (10, 6871228), (13, 5285560), (14, 4908020), (20, 3435614), (26, 2642780), (28, 2454010), (35, 1963208), (40, 1717807), (43, 1597960), (52, 1321390), (56, 1227005), (65, 1057112), (70, 981604), (86, 798980), (91, 755080), (104, 660695), (130, 528556), (140, 490802), (172, 399490), (182, 377540), (215, 319592), (260, 264278), (280, 245401), (301, 228280), (344, 199745), (364, 188770), (430, 159796), (439, 156520), (455, 151016), (520, 132139), (559, 122920), (602, 114140), (728, 94385), (860, 79898), (878, 78260), (910, 75508), (1118, 61460), (1204, 57070), (1505, 45656), (1720, 39949), (1756, 39130), (1820, 37754), (2195, 31304), (2236, 30730), (2408, 28535), (2795, 24584), (3010, 22828), (3073, 22360), (3512, 19565), (3640, 18877), (3913, 17560), (4390, 15652), (4472, 15365), (5590, 12292), (5707, 12040), (6020, 11414), (6146, 11180), (7826, 8780)]