138704760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385291}}^1$

素因数の和:385308

約数の個数: 48

約数和(自身を含む): 450791640

約数和(自身を除く): 312086880

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, 385291, 770582, 1155873, 1541164, 1926455, 2311746, 3082328, 3467619, 3852910, 4623492, 5779365, 6935238, 7705820, 9246984, 11558730, 13870476, 15411640, 17338095, 23117460, 27740952, 34676190, 46234920, 69352380, 138704760]

約数ペア:

[(1, 138704760), (2, 69352380), (3, 46234920), (4, 34676190), (5, 27740952), (6, 23117460), (8, 17338095), (9, 15411640), (10, 13870476), (12, 11558730), (15, 9246984), (18, 7705820), (20, 6935238), (24, 5779365), (30, 4623492), (36, 3852910), (40, 3467619), (45, 3082328), (60, 2311746), (72, 1926455), (90, 1541164), (120, 1155873), (180, 770582), (360, 385291)]