128968280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1453}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 332907840

約数和(自身を除く): 203939560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 1268, 1453, 1585, 2219, 2536, 2906, 3170, 4438, 5812, 6340, 7265, 8876, 10171, 11095, 11624, 12680, 14530, 17752, 20342, 22190, 29060, 40684, 44380, 50855, 58120, 81368, 88760, 101710, 203420, 406840, 460601, 921202, 1842404, 2303005, 3224207, 3684808, 4606010, 6448414, 9212020, 12896828, 16121035, 18424040, 25793656, 32242070, 64484140, 128968280]

約数ペア:

[(1, 128968280), (2, 64484140), (4, 32242070), (5, 25793656), (7, 18424040), (8, 16121035), (10, 12896828), (14, 9212020), (20, 6448414), (28, 4606010), (35, 3684808), (40, 3224207), (56, 2303005), (70, 1842404), (140, 921202), (280, 460601), (317, 406840), (634, 203420), (1268, 101710), (1453, 88760), (1585, 81368), (2219, 58120), (2536, 50855), (2906, 44380), (3170, 40684), (4438, 29060), (5812, 22190), (6340, 20342), (7265, 17752), (8876, 14530), (10171, 12680), (11095, 11624)]