128804940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65053}}^1$

素因数の和:65079

約数の個数: 72

約数和(自身を含む): 426233808

約数和(自身を除く): 297428868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 65053, 130106, 195159, 260212, 325265, 390318, 585477, 650530, 715583, 780636, 975795, 1170954, 1301060, 1431166, 1951590, 2146749, 2341908, 2862332, 2927385, 3577915, 3903180, 4293498, 5854770, 6440247, 7155830, 8586996, 10733745, 11709540, 12880494, 14311660, 21467490, 25760988, 32201235, 42934980, 64402470, 128804940]

約数ペア:

[(1, 128804940), (2, 64402470), (3, 42934980), (4, 32201235), (5, 25760988), (6, 21467490), (9, 14311660), (10, 12880494), (11, 11709540), (12, 10733745), (15, 8586996), (18, 7155830), (20, 6440247), (22, 5854770), (30, 4293498), (33, 3903180), (36, 3577915), (44, 2927385), (45, 2862332), (55, 2341908), (60, 2146749), (66, 1951590), (90, 1431166), (99, 1301060), (110, 1170954), (132, 975795), (165, 780636), (180, 715583), (198, 650530), (220, 585477), (330, 390318), (396, 325265), (495, 260212), (660, 195159), (990, 130106), (1980, 65053)]