215339940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1319}}^1$

素因数の和:2241

約数の個数: 72

約数和(自身を含む): 654413760

約数和(自身を除く): 439073820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 907, 1319, 1814, 2638, 2721, 3628, 3957, 4535, 5276, 5442, 6595, 7914, 8163, 9070, 10884, 11871, 13190, 13605, 15828, 16326, 18140, 19785, 23742, 26380, 27210, 32652, 39570, 40815, 47484, 54420, 59355, 79140, 81630, 118710, 163260, 237420, 1196333, 2392666, 3588999, 4785332, 5981665, 7177998, 10766997, 11963330, 14355996, 17944995, 21533994, 23926660, 35889990, 43067988, 53834985, 71779980, 107669970, 215339940]

約数ペア:

[(1, 215339940), (2, 107669970), (3, 71779980), (4, 53834985), (5, 43067988), (6, 35889990), (9, 23926660), (10, 21533994), (12, 17944995), (15, 14355996), (18, 11963330), (20, 10766997), (30, 7177998), (36, 5981665), (45, 4785332), (60, 3588999), (90, 2392666), (180, 1196333), (907, 237420), (1319, 163260), (1814, 118710), (2638, 81630), (2721, 79140), (3628, 59355), (3957, 54420), (4535, 47484), (5276, 40815), (5442, 39570), (6595, 32652), (7914, 27210), (8163, 26380), (9070, 23742), (10884, 19785), (11871, 18140), (13190, 16326), (13605, 15828)]