172889480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2081}}^1$

素因数の和:2190

約数の個数: 64

約数和(自身を含む): 407738880

約数和(自身を除く): 234849400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 1240, 1340, 2077, 2081, 2680, 4154, 4162, 8308, 8324, 10385, 10405, 16616, 16648, 20770, 20810, 41540, 41620, 64511, 83080, 83240, 129022, 139427, 258044, 278854, 322555, 516088, 557708, 645110, 697135, 1115416, 1290220, 1394270, 2580440, 2788540, 4322237, 5577080, 8644474, 17288948, 21611185, 34577896, 43222370, 86444740, 172889480]

約数ペア:

[(1, 172889480), (2, 86444740), (4, 43222370), (5, 34577896), (8, 21611185), (10, 17288948), (20, 8644474), (31, 5577080), (40, 4322237), (62, 2788540), (67, 2580440), (124, 1394270), (134, 1290220), (155, 1115416), (248, 697135), (268, 645110), (310, 557708), (335, 516088), (536, 322555), (620, 278854), (670, 258044), (1240, 139427), (1340, 129022), (2077, 83240), (2081, 83080), (2680, 64511), (4154, 41620), (4162, 41540), (8308, 20810), (8324, 20770), (10385, 16648), (10405, 16616)]