161102920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1303}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 397146240

約数和(自身を除く): 236043320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 562, 1124, 1303, 1405, 2248, 2606, 2810, 3091, 5212, 5620, 6182, 6515, 10424, 11240, 12364, 13030, 14333, 15455, 24728, 26060, 28666, 30910, 52120, 57332, 61820, 71665, 114664, 123640, 143330, 286660, 366143, 573320, 732286, 1464572, 1830715, 2929144, 3661430, 4027573, 7322860, 8055146, 14645720, 16110292, 20137865, 32220584, 40275730, 80551460, 161102920]

約数ペア:

[(1, 161102920), (2, 80551460), (4, 40275730), (5, 32220584), (8, 20137865), (10, 16110292), (11, 14645720), (20, 8055146), (22, 7322860), (40, 4027573), (44, 3661430), (55, 2929144), (88, 1830715), (110, 1464572), (220, 732286), (281, 573320), (440, 366143), (562, 286660), (1124, 143330), (1303, 123640), (1405, 114664), (2248, 71665), (2606, 61820), (2810, 57332), (3091, 52120), (5212, 30910), (5620, 28666), (6182, 26060), (6515, 24728), (10424, 15455), (11240, 14333), (12364, 13030)]