15487020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 47515104

約数和(自身を除く): 32028084

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, 887, 970, 1164, 1455, 1746, 1774, 1940, 2661, 2910, 3492, 3548, 4365, 4435, 5322, 5820, 7983, 8730, 8870, 10644, 13305, 15966, 17460, 17740, 26610, 31932, 39915, 53220, 79830, 86039, 159660, 172078, 258117, 344156, 430195, 516234, 774351, 860390, 1032468, 1290585, 1548702, 1720780, 2581170, 3097404, 3871755, 5162340, 7743510, 15487020]

約数ペア:

[(1, 15487020), (2, 7743510), (3, 5162340), (4, 3871755), (5, 3097404), (6, 2581170), (9, 1720780), (10, 1548702), (12, 1290585), (15, 1032468), (18, 860390), (20, 774351), (30, 516234), (36, 430195), (45, 344156), (60, 258117), (90, 172078), (97, 159660), (180, 86039), (194, 79830), (291, 53220), (388, 39915), (485, 31932), (582, 26610), (873, 17740), (887, 17460), (970, 15966), (1164, 13305), (1455, 10644), (1746, 8870), (1774, 8730), (1940, 7983), (2661, 5820), (2910, 5322), (3492, 4435), (3548, 4365)]