247727880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{688133}}^1$

素因数の和:688150

約数の個数: 48

約数和(自身を含む): 805116780

約数和(自身を除く): 557388900

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, 688133, 1376266, 2064399, 2752532, 3440665, 4128798, 5505064, 6193197, 6881330, 8257596, 10321995, 12386394, 13762660, 16515192, 20643990, 24772788, 27525320, 30965985, 41287980, 49545576, 61931970, 82575960, 123863940, 247727880]

約数ペア:

[(1, 247727880), (2, 123863940), (3, 82575960), (4, 61931970), (5, 49545576), (6, 41287980), (8, 30965985), (9, 27525320), (10, 24772788), (12, 20643990), (15, 16515192), (18, 13762660), (20, 12386394), (24, 10321995), (30, 8257596), (36, 6881330), (40, 6193197), (45, 5505064), (60, 4128798), (72, 3440665), (90, 2752532), (120, 2064399), (180, 1376266), (360, 688133)]