263927970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2181

約数の個数: 80

約数和(自身を含む): 714384000

約数和(自身を除く): 450456030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 163, 270, 326, 405, 489, 810, 815, 978, 1467, 1630, 1999, 2445, 2934, 3998, 4401, 4890, 5997, 7335, 8802, 9995, 11994, 13203, 14670, 17991, 19990, 22005, 26406, 29985, 35982, 44010, 53973, 59970, 66015, 89955, 107946, 132030, 161919, 179910, 269865, 323838, 325837, 539730, 651674, 809595, 977511, 1619190, 1629185, 1955022, 2932533, 3258370, 4887555, 5865066, 8797599, 9775110, 14662665, 17595198, 26392797, 29325330, 43987995, 52785594, 87975990, 131963985, 263927970]

約数ペア:

[(1, 263927970), (2, 131963985), (3, 87975990), (5, 52785594), (6, 43987995), (9, 29325330), (10, 26392797), (15, 17595198), (18, 14662665), (27, 9775110), (30, 8797599), (45, 5865066), (54, 4887555), (81, 3258370), (90, 2932533), (135, 1955022), (162, 1629185), (163, 1619190), (270, 977511), (326, 809595), (405, 651674), (489, 539730), (810, 325837), (815, 323838), (978, 269865), (1467, 179910), (1630, 161919), (1999, 132030), (2445, 107946), (2934, 89955), (3998, 66015), (4401, 59970), (4890, 53973), (5997, 44010), (7335, 35982), (8802, 29985), (9995, 26406), (11994, 22005), (13203, 19990), (14670, 17991)]