280755480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101723}}^1$

素因数の和:101760

約数の個数: 64

約数和(自身を含む): 878895360

約数和(自身を除く): 598139880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 101723, 203446, 305169, 406892, 508615, 610338, 813784, 1017230, 1220676, 1525845, 2034460, 2339629, 2441352, 3051690, 4068920, 4679258, 6103380, 7018887, 9358516, 11698145, 12206760, 14037774, 18717032, 23396290, 28075548, 35094435, 46792580, 56151096, 70188870, 93585160, 140377740, 280755480]

約数ペア:

[(1, 280755480), (2, 140377740), (3, 93585160), (4, 70188870), (5, 56151096), (6, 46792580), (8, 35094435), (10, 28075548), (12, 23396290), (15, 18717032), (20, 14037774), (23, 12206760), (24, 11698145), (30, 9358516), (40, 7018887), (46, 6103380), (60, 4679258), (69, 4068920), (92, 3051690), (115, 2441352), (120, 2339629), (138, 2034460), (184, 1525845), (230, 1220676), (276, 1017230), (345, 813784), (460, 610338), (552, 508615), (690, 406892), (920, 305169), (1380, 203446), (2760, 101723)]