129775520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16553}}^1$

素因数の和:16582

約数の個数: 72

約数和(自身を含む): 356672484

約数和(自身を除く): 226896964

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 16553, 33106, 66212, 82765, 115871, 132424, 165530, 231742, 264848, 331060, 463484, 529696, 579355, 662120, 811097, 926968, 1158710, 1324240, 1622194, 1853936, 2317420, 2648480, 3244388, 3707872, 4055485, 4634840, 6488776, 8110970, 9269680, 12977552, 16221940, 18539360, 25955104, 32443880, 64887760, 129775520]

約数ペア:

[(1, 129775520), (2, 64887760), (4, 32443880), (5, 25955104), (7, 18539360), (8, 16221940), (10, 12977552), (14, 9269680), (16, 8110970), (20, 6488776), (28, 4634840), (32, 4055485), (35, 3707872), (40, 3244388), (49, 2648480), (56, 2317420), (70, 1853936), (80, 1622194), (98, 1324240), (112, 1158710), (140, 926968), (160, 811097), (196, 662120), (224, 579355), (245, 529696), (280, 463484), (392, 331060), (490, 264848), (560, 231742), (784, 165530), (980, 132424), (1120, 115871), (1568, 82765), (1960, 66212), (3920, 33106), (7840, 16553)]