172125640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 403292160

約数和(自身を除く): 231166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1093, 1240, 1270, 2186, 2540, 3937, 4372, 5080, 5465, 7874, 8744, 10930, 15748, 19685, 21860, 31496, 33883, 39370, 43720, 67766, 78740, 135532, 138811, 157480, 169415, 271064, 277622, 338830, 555244, 677660, 694055, 1110488, 1355320, 1388110, 2776220, 4303141, 5552440, 8606282, 17212564, 21515705, 34425128, 43031410, 86062820, 172125640]

約数ペア:

[(1, 172125640), (2, 86062820), (4, 43031410), (5, 34425128), (8, 21515705), (10, 17212564), (20, 8606282), (31, 5552440), (40, 4303141), (62, 2776220), (124, 1388110), (127, 1355320), (155, 1110488), (248, 694055), (254, 677660), (310, 555244), (508, 338830), (620, 277622), (635, 271064), (1016, 169415), (1093, 157480), (1240, 138811), (1270, 135532), (2186, 78740), (2540, 67766), (3937, 43720), (4372, 39370), (5080, 33883), (5465, 31496), (7874, 21860), (8744, 19685), (10930, 15748)]