1290421260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2389669}}^1$

素因数の和:2389687

約数の個数: 48

約数和(自身を含む): 4014645600

約数和(自身を除く): 2724224340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2389669, 4779338, 7169007, 9558676, 11948345, 14338014, 21507021, 23896690, 28676028, 35845035, 43014042, 47793380, 64521063, 71690070, 86028084, 107535105, 129042126, 143380140, 215070210, 258084252, 322605315, 430140420, 645210630, 1290421260]

約数ペア:

[(1, 1290421260), (2, 645210630), (3, 430140420), (4, 322605315), (5, 258084252), (6, 215070210), (9, 143380140), (10, 129042126), (12, 107535105), (15, 86028084), (18, 71690070), (20, 64521063), (27, 47793380), (30, 43014042), (36, 35845035), (45, 28676028), (54, 23896690), (60, 21507021), (90, 14338014), (108, 11948345), (135, 9558676), (180, 7169007), (270, 4779338), (540, 2389669)]