2720480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 7498008

約数和(自身を除く): 4777528

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, 347, 392, 490, 560, 694, 784, 980, 1120, 1388, 1568, 1735, 1960, 2429, 2776, 3470, 3920, 4858, 5552, 6940, 7840, 9716, 11104, 12145, 13880, 17003, 19432, 24290, 27760, 34006, 38864, 48580, 55520, 68012, 77728, 85015, 97160, 136024, 170030, 194320, 272048, 340060, 388640, 544096, 680120, 1360240, 2720480]

約数ペア:

[(1, 2720480), (2, 1360240), (4, 680120), (5, 544096), (7, 388640), (8, 340060), (10, 272048), (14, 194320), (16, 170030), (20, 136024), (28, 97160), (32, 85015), (35, 77728), (40, 68012), (49, 55520), (56, 48580), (70, 38864), (80, 34006), (98, 27760), (112, 24290), (140, 19432), (160, 17003), (196, 13880), (224, 12145), (245, 11104), (280, 9716), (347, 7840), (392, 6940), (490, 5552), (560, 4858), (694, 3920), (784, 3470), (980, 2776), (1120, 2429), (1388, 1960), (1568, 1735)]