278760420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{516223}}^1$

素因数の和:516241

約数の個数: 48

約数和(自身を含む): 867256320

約数和(自身を除く): 588495900

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, 516223, 1032446, 1548669, 2064892, 2581115, 3097338, 4646007, 5162230, 6194676, 7743345, 9292014, 10324460, 13938021, 15486690, 18584028, 23230035, 27876042, 30973380, 46460070, 55752084, 69690105, 92920140, 139380210, 278760420]

約数ペア:

[(1, 278760420), (2, 139380210), (3, 92920140), (4, 69690105), (5, 55752084), (6, 46460070), (9, 30973380), (10, 27876042), (12, 23230035), (15, 18584028), (18, 15486690), (20, 13938021), (27, 10324460), (30, 9292014), (36, 7743345), (45, 6194676), (54, 5162230), (60, 4646007), (90, 3097338), (108, 2581115), (135, 2064892), (180, 1548669), (270, 1032446), (540, 516223)]