138661020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33493}}^1$

素因数の和:33531

約数の個数: 72

約数和(自身を含む): 438905376

約数和(自身を除く): 300244356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 33493, 66986, 100479, 133972, 167465, 200958, 301437, 334930, 401916, 502395, 602874, 669860, 770339, 1004790, 1205748, 1507185, 1540678, 2009580, 2311017, 3014370, 3081356, 3851695, 4622034, 6028740, 6933051, 7703390, 9244068, 11555085, 13866102, 15406780, 23110170, 27732204, 34665255, 46220340, 69330510, 138661020]

約数ペア:

[(1, 138661020), (2, 69330510), (3, 46220340), (4, 34665255), (5, 27732204), (6, 23110170), (9, 15406780), (10, 13866102), (12, 11555085), (15, 9244068), (18, 7703390), (20, 6933051), (23, 6028740), (30, 4622034), (36, 3851695), (45, 3081356), (46, 3014370), (60, 2311017), (69, 2009580), (90, 1540678), (92, 1507185), (115, 1205748), (138, 1004790), (180, 770339), (207, 669860), (230, 602874), (276, 502395), (345, 401916), (414, 334930), (460, 301437), (690, 200958), (828, 167465), (1035, 133972), (1380, 100479), (2070, 66986), (4140, 33493)]