1291128840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3586469}}^1$

素因数の和:3586486

約数の個数: 48

約数和(自身を含む): 4196169900

約数和(自身を除く): 2905041060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3586469, 7172938, 10759407, 14345876, 17932345, 21518814, 28691752, 32278221, 35864690, 43037628, 53797035, 64556442, 71729380, 86075256, 107594070, 129112884, 143458760, 161391105, 215188140, 258225768, 322782210, 430376280, 645564420, 1291128840]

約数ペア:

[(1, 1291128840), (2, 645564420), (3, 430376280), (4, 322782210), (5, 258225768), (6, 215188140), (8, 161391105), (9, 143458760), (10, 129112884), (12, 107594070), (15, 86075256), (18, 71729380), (20, 64556442), (24, 53797035), (30, 43037628), (36, 35864690), (40, 32278221), (45, 28691752), (60, 21518814), (72, 17932345), (90, 14345876), (120, 10759407), (180, 7172938), (360, 3586469)]