7642880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{853}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 20946912

約数和(自身を除く): 13304032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 853, 896, 1120, 1280, 1706, 1792, 2240, 3412, 4265, 4480, 5971, 6824, 8530, 8960, 11942, 13648, 17060, 23884, 27296, 29855, 34120, 47768, 54592, 59710, 68240, 95536, 109184, 119420, 136480, 191072, 218368, 238840, 272960, 382144, 477680, 545920, 764288, 955360, 1091840, 1528576, 1910720, 3821440, 7642880]

約数ペア:

[(1, 7642880), (2, 3821440), (4, 1910720), (5, 1528576), (7, 1091840), (8, 955360), (10, 764288), (14, 545920), (16, 477680), (20, 382144), (28, 272960), (32, 238840), (35, 218368), (40, 191072), (56, 136480), (64, 119420), (70, 109184), (80, 95536), (112, 68240), (128, 59710), (140, 54592), (160, 47768), (224, 34120), (256, 29855), (280, 27296), (320, 23884), (448, 17060), (560, 13648), (640, 11942), (853, 8960), (896, 8530), (1120, 6824), (1280, 5971), (1706, 4480), (1792, 4265), (2240, 3412)]