64447880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{683}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 166458240

約数和(自身を除く): 102010360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 683, 1348, 1366, 1685, 2359, 2696, 2732, 3370, 3415, 4718, 4781, 5464, 6740, 6830, 9436, 9562, 11795, 13480, 13660, 18872, 19124, 23590, 23905, 27320, 38248, 47180, 47810, 94360, 95620, 191240, 230171, 460342, 920684, 1150855, 1611197, 1841368, 2301710, 3222394, 4603420, 6444788, 8055985, 9206840, 12889576, 16111970, 32223940, 64447880]

約数ペア:

[(1, 64447880), (2, 32223940), (4, 16111970), (5, 12889576), (7, 9206840), (8, 8055985), (10, 6444788), (14, 4603420), (20, 3222394), (28, 2301710), (35, 1841368), (40, 1611197), (56, 1150855), (70, 920684), (140, 460342), (280, 230171), (337, 191240), (674, 95620), (683, 94360), (1348, 47810), (1366, 47180), (1685, 38248), (2359, 27320), (2696, 23905), (2732, 23590), (3370, 19124), (3415, 18872), (4718, 13660), (4781, 13480), (5464, 11795), (6740, 9562), (6830, 9436)]