31836840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 78478680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 151, 168, 210, 251, 280, 302, 420, 453, 502, 604, 753, 755, 840, 906, 1004, 1057, 1208, 1255, 1506, 1510, 1757, 1812, 2008, 2114, 2265, 2510, 3012, 3020, 3171, 3514, 3624, 3765, 4228, 4530, 5020, 5271, 5285, 6024, 6040, 6342, 7028, 7530, 8456, 8785, 9060, 10040, 10542, 10570, 12684, 14056, 15060, 15855, 17570, 18120, 21084, 21140, 25368, 26355, 30120, 31710, 35140, 37901, 42168, 42280, 52710, 63420, 70280, 75802, 105420, 113703, 126840, 151604, 189505, 210840, 227406, 265307, 303208, 379010, 454812, 530614, 568515, 758020, 795921, 909624, 1061228, 1137030, 1326535, 1516040, 1591842, 2122456, 2274060, 2653070, 3183684, 3979605, 4548120, 5306140, 6367368, 7959210, 10612280, 15918420, 31836840]

約数ペア:

[(1, 31836840), (2, 15918420), (3, 10612280), (4, 7959210), (5, 6367368), (6, 5306140), (7, 4548120), (8, 3979605), (10, 3183684), (12, 2653070), (14, 2274060), (15, 2122456), (20, 1591842), (21, 1516040), (24, 1326535), (28, 1137030), (30, 1061228), (35, 909624), (40, 795921), (42, 758020), (56, 568515), (60, 530614), (70, 454812), (84, 379010), (105, 303208), (120, 265307), (140, 227406), (151, 210840), (168, 189505), (210, 151604), (251, 126840), (280, 113703), (302, 105420), (420, 75802), (453, 70280), (502, 63420), (604, 52710), (753, 42280), (755, 42168), (840, 37901), (906, 35140), (1004, 31710), (1057, 30120), (1208, 26355), (1255, 25368), (1506, 21140), (1510, 21084), (1757, 18120), (1812, 17570), (2008, 15855), (2114, 15060), (2265, 14056), (2510, 12684), (3012, 10570), (3020, 10542), (3171, 10040), (3514, 9060), (3624, 8785), (3765, 8456), (4228, 7530), (4530, 7028), (5020, 6342), (5271, 6040), (5285, 6024)]