31149640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 72705600

約数和(自身を除く): 41555960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 67, 118, 134, 197, 236, 268, 295, 335, 394, 472, 536, 590, 670, 788, 985, 1180, 1340, 1576, 1970, 2360, 2680, 3940, 3953, 7880, 7906, 11623, 13199, 15812, 19765, 23246, 26398, 31624, 39530, 46492, 52796, 58115, 65995, 79060, 92984, 105592, 116230, 131990, 158120, 232460, 263980, 464920, 527960, 778741, 1557482, 3114964, 3893705, 6229928, 7787410, 15574820, 31149640]

約数ペア:

[(1, 31149640), (2, 15574820), (4, 7787410), (5, 6229928), (8, 3893705), (10, 3114964), (20, 1557482), (40, 778741), (59, 527960), (67, 464920), (118, 263980), (134, 232460), (197, 158120), (236, 131990), (268, 116230), (295, 105592), (335, 92984), (394, 79060), (472, 65995), (536, 58115), (590, 52796), (670, 46492), (788, 39530), (985, 31624), (1180, 26398), (1340, 23246), (1576, 19765), (1970, 15812), (2360, 13199), (2680, 11623), (3940, 7906), (3953, 7880)]