64914400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1604

約数の個数: 72

約数和(自身を含む): 161567784

約数和(自身を除く): 96653384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1531, 1696, 2120, 2650, 3062, 4240, 5300, 6124, 7655, 8480, 10600, 12248, 15310, 21200, 24496, 30620, 38275, 42400, 48992, 61240, 76550, 81143, 122480, 153100, 162286, 244960, 306200, 324572, 405715, 612400, 649144, 811430, 1224800, 1298288, 1622860, 2028575, 2596576, 3245720, 4057150, 6491440, 8114300, 12982880, 16228600, 32457200, 64914400]

約数ペア:

[(1, 64914400), (2, 32457200), (4, 16228600), (5, 12982880), (8, 8114300), (10, 6491440), (16, 4057150), (20, 3245720), (25, 2596576), (32, 2028575), (40, 1622860), (50, 1298288), (53, 1224800), (80, 811430), (100, 649144), (106, 612400), (160, 405715), (200, 324572), (212, 306200), (265, 244960), (400, 162286), (424, 153100), (530, 122480), (800, 81143), (848, 76550), (1060, 61240), (1325, 48992), (1531, 42400), (1696, 38275), (2120, 30620), (2650, 24496), (3062, 21200), (4240, 15310), (5300, 12248), (6124, 10600), (7655, 8480)]