7839540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 24078600

約数和(自身を除く): 16239060

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, 449, 485, 582, 873, 898, 970, 1164, 1347, 1455, 1746, 1796, 1940, 2245, 2694, 2910, 3492, 4041, 4365, 4490, 5388, 5820, 6735, 8082, 8730, 8980, 13470, 16164, 17460, 20205, 26940, 40410, 43553, 80820, 87106, 130659, 174212, 217765, 261318, 391977, 435530, 522636, 653295, 783954, 871060, 1306590, 1567908, 1959885, 2613180, 3919770, 7839540]

約数ペア:

[(1, 7839540), (2, 3919770), (3, 2613180), (4, 1959885), (5, 1567908), (6, 1306590), (9, 871060), (10, 783954), (12, 653295), (15, 522636), (18, 435530), (20, 391977), (30, 261318), (36, 217765), (45, 174212), (60, 130659), (90, 87106), (97, 80820), (180, 43553), (194, 40410), (291, 26940), (388, 20205), (449, 17460), (485, 16164), (582, 13470), (873, 8980), (898, 8730), (970, 8082), (1164, 6735), (1347, 5820), (1455, 5388), (1746, 4490), (1796, 4365), (1940, 4041), (2245, 3492), (2694, 2910)]