81605460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8663}}^1$

素因数の和:8832

約数の個数: 48

約数和(自身を含む): 229977216

約数和(自身を除く): 148371756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 8663, 9420, 17326, 25989, 34652, 43315, 51978, 86630, 103956, 129945, 173260, 259890, 519780, 1360091, 2720182, 4080273, 5440364, 6800455, 8160546, 13600910, 16321092, 20401365, 27201820, 40802730, 81605460]

約数ペア:

[(1, 81605460), (2, 40802730), (3, 27201820), (4, 20401365), (5, 16321092), (6, 13600910), (10, 8160546), (12, 6800455), (15, 5440364), (20, 4080273), (30, 2720182), (60, 1360091), (157, 519780), (314, 259890), (471, 173260), (628, 129945), (785, 103956), (942, 86630), (1570, 51978), (1884, 43315), (2355, 34652), (3140, 25989), (4710, 17326), (8663, 9420)]