2680480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1549

約数の個数: 48

約数和(自身を含む): 6912864

約数和(自身を除く): 4232384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1523, 1760, 3046, 6092, 7615, 12184, 15230, 16753, 24368, 30460, 33506, 48736, 60920, 67012, 83765, 121840, 134024, 167530, 243680, 268048, 335060, 536096, 670120, 1340240, 2680480]

約数ペア:

[(1, 2680480), (2, 1340240), (4, 670120), (5, 536096), (8, 335060), (10, 268048), (11, 243680), (16, 167530), (20, 134024), (22, 121840), (32, 83765), (40, 67012), (44, 60920), (55, 48736), (80, 33506), (88, 30460), (110, 24368), (160, 16753), (176, 15230), (220, 12184), (352, 7615), (440, 6092), (880, 3046), (1523, 1760)]