18001260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 37218996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1031, 1164, 1455, 1746, 1940, 2062, 2910, 3093, 3492, 4124, 4365, 5155, 5820, 6186, 8730, 9279, 10310, 12372, 15465, 17460, 18558, 20620, 30930, 37116, 46395, 61860, 92790, 100007, 185580, 200014, 300021, 400028, 500035, 600042, 900063, 1000070, 1200084, 1500105, 1800126, 2000140, 3000210, 3600252, 4500315, 6000420, 9000630, 18001260]

約数ペア:

[(1, 18001260), (2, 9000630), (3, 6000420), (4, 4500315), (5, 3600252), (6, 3000210), (9, 2000140), (10, 1800126), (12, 1500105), (15, 1200084), (18, 1000070), (20, 900063), (30, 600042), (36, 500035), (45, 400028), (60, 300021), (90, 200014), (97, 185580), (180, 100007), (194, 92790), (291, 61860), (388, 46395), (485, 37116), (582, 30930), (873, 20620), (970, 18558), (1031, 17460), (1164, 15465), (1455, 12372), (1746, 10310), (1940, 9279), (2062, 8730), (2910, 6186), (3093, 5820), (3492, 5155), (4124, 4365)]