172920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 570240

約数和(自身を除く): 397320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 131, 132, 165, 220, 262, 264, 330, 393, 440, 524, 655, 660, 786, 1048, 1310, 1320, 1441, 1572, 1965, 2620, 2882, 3144, 3930, 4323, 5240, 5764, 7205, 7860, 8646, 11528, 14410, 15720, 17292, 21615, 28820, 34584, 43230, 57640, 86460, 172920]

約数ペア:

[(1, 172920), (2, 86460), (3, 57640), (4, 43230), (5, 34584), (6, 28820), (8, 21615), (10, 17292), (11, 15720), (12, 14410), (15, 11528), (20, 8646), (22, 7860), (24, 7205), (30, 5764), (33, 5240), (40, 4323), (44, 3930), (55, 3144), (60, 2882), (66, 2620), (88, 1965), (110, 1572), (120, 1441), (131, 1320), (132, 1310), (165, 1048), (220, 786), (262, 660), (264, 655), (330, 524), (393, 440)]