155110120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352523}}^1$

素因数の和:352545

約数の個数: 32

約数和(自身を含む): 380725920

約数和(自身を除く): 225615800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352523, 705046, 1410092, 1762615, 2820184, 3525230, 3877753, 7050460, 7755506, 14100920, 15511012, 19388765, 31022024, 38777530, 77555060, 155110120]

約数ペア:

[(1, 155110120), (2, 77555060), (4, 38777530), (5, 31022024), (8, 19388765), (10, 15511012), (11, 14100920), (20, 7755506), (22, 7050460), (40, 3877753), (44, 3525230), (55, 2820184), (88, 1762615), (110, 1410092), (220, 705046), (440, 352523)]