1857643020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{52387}}^1$

素因数の和:52599

約数の個数: 72

約数和(自身を含む): 5663561904

約数和(自身を除く): 3805918884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 17730, 35460, 52387, 104774, 157161, 209548, 261935, 314322, 471483, 523870, 628644, 785805, 942966, 1047740, 1571610, 1885932, 2357415, 3143220, 4714830, 9429660, 10320239, 20640478, 30960717, 41280956, 51601195, 61921434, 92882151, 103202390, 123842868, 154803585, 185764302, 206404780, 309607170, 371528604, 464410755, 619214340, 928821510, 1857643020]

約数ペア:

[(1, 1857643020), (2, 928821510), (3, 619214340), (4, 464410755), (5, 371528604), (6, 309607170), (9, 206404780), (10, 185764302), (12, 154803585), (15, 123842868), (18, 103202390), (20, 92882151), (30, 61921434), (36, 51601195), (45, 41280956), (60, 30960717), (90, 20640478), (180, 10320239), (197, 9429660), (394, 4714830), (591, 3143220), (788, 2357415), (985, 1885932), (1182, 1571610), (1773, 1047740), (1970, 942966), (2364, 785805), (2955, 628644), (3546, 523870), (3940, 471483), (5910, 314322), (7092, 261935), (8865, 209548), (11820, 157161), (17730, 104774), (35460, 52387)]