780872960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{87151}}^1$

素因数の和:87179

約数の個数: 72

約数和(自身を含む): 2137664256

約数和(自身を除く): 1356791296

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, 896, 1120, 1280, 1792, 2240, 4480, 8960, 87151, 174302, 348604, 435755, 610057, 697208, 871510, 1220114, 1394416, 1743020, 2440228, 2788832, 3050285, 3486040, 4880456, 5577664, 6100570, 6972080, 9760912, 11155328, 12201140, 13944160, 19521824, 22310656, 24402280, 27888320, 39043648, 48804560, 55776640, 78087296, 97609120, 111553280, 156174592, 195218240, 390436480, 780872960]

約数ペア:

[(1, 780872960), (2, 390436480), (4, 195218240), (5, 156174592), (7, 111553280), (8, 97609120), (10, 78087296), (14, 55776640), (16, 48804560), (20, 39043648), (28, 27888320), (32, 24402280), (35, 22310656), (40, 19521824), (56, 13944160), (64, 12201140), (70, 11155328), (80, 9760912), (112, 6972080), (128, 6100570), (140, 5577664), (160, 4880456), (224, 3486040), (256, 3050285), (280, 2788832), (320, 2440228), (448, 1743020), (560, 1394416), (640, 1220114), (896, 871510), (1120, 697208), (1280, 610057), (1792, 435755), (2240, 348604), (4480, 174302), (8960, 87151)]