161120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 408240

約数和(自身を除く): 247120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 380, 424, 530, 608, 760, 848, 1007, 1060, 1520, 1696, 2014, 2120, 3040, 4028, 4240, 5035, 8056, 8480, 10070, 16112, 20140, 32224, 40280, 80560, 161120]

約数ペア:

[(1, 161120), (2, 80560), (4, 40280), (5, 32224), (8, 20140), (10, 16112), (16, 10070), (19, 8480), (20, 8056), (32, 5035), (38, 4240), (40, 4028), (53, 3040), (76, 2120), (80, 2014), (95, 1696), (106, 1520), (152, 1060), (160, 1007), (190, 848), (212, 760), (265, 608), (304, 530), (380, 424)]