121229520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{505123}}^1$

素因数の和:505139

約数の個数: 40

約数和(自身を含む): 375812256

約数和(自身を除く): 254582736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 505123, 1010246, 1515369, 2020492, 2525615, 3030738, 4040984, 5051230, 6061476, 7576845, 8081968, 10102460, 12122952, 15153690, 20204920, 24245904, 30307380, 40409840, 60614760, 121229520]

約数ペア:

[(1, 121229520), (2, 60614760), (3, 40409840), (4, 30307380), (5, 24245904), (6, 20204920), (8, 15153690), (10, 12122952), (12, 10102460), (15, 8081968), (16, 7576845), (20, 6061476), (24, 5051230), (30, 4040984), (40, 3030738), (48, 2525615), (60, 2020492), (80, 1515369), (120, 1010246), (240, 505123)]