181107640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1613}}^1$

素因数の和:2032

約数の個数: 64

約数和(自身を含む): 467156160

約数和(自身を除く): 286048520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1604, 1613, 2005, 2807, 3208, 3226, 4010, 5614, 6452, 8020, 8065, 11228, 11291, 12904, 14035, 16040, 16130, 22456, 22582, 28070, 32260, 45164, 56140, 56455, 64520, 90328, 112280, 112910, 225820, 451640, 646813, 1293626, 2587252, 3234065, 4527691, 5174504, 6468130, 9055382, 12936260, 18110764, 22638455, 25872520, 36221528, 45276910, 90553820, 181107640]

約数ペア:

[(1, 181107640), (2, 90553820), (4, 45276910), (5, 36221528), (7, 25872520), (8, 22638455), (10, 18110764), (14, 12936260), (20, 9055382), (28, 6468130), (35, 5174504), (40, 4527691), (56, 3234065), (70, 2587252), (140, 1293626), (280, 646813), (401, 451640), (802, 225820), (1604, 112910), (1613, 112280), (2005, 90328), (2807, 64520), (3208, 56455), (3226, 56140), (4010, 45164), (5614, 32260), (6452, 28070), (8020, 22582), (8065, 22456), (11228, 16130), (11291, 16040), (12904, 14035)]