2019920145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2474

約数の個数: 64

約数和(自身を含む): 3512775168

約数和(自身を除く): 1492855023

約数列:

[1, 3, 5, 15, 23, 41, 61, 69, 115, 123, 183, 205, 305, 345, 615, 915, 943, 1403, 2341, 2501, 2829, 4209, 4715, 7015, 7023, 7503, 11705, 12505, 14145, 21045, 35115, 37515, 53843, 57523, 95981, 142801, 161529, 172569, 269215, 287615, 287943, 428403, 479905, 714005, 807645, 862845, 1439715, 2142015, 2207563, 3284423, 5854841, 6622689, 9853269, 11037815, 16422115, 17564523, 29274205, 33113445, 49266345, 87822615, 134661343, 403984029, 673306715, 2019920145]

約数ペア:

[(1, 2019920145), (3, 673306715), (5, 403984029), (15, 134661343), (23, 87822615), (41, 49266345), (61, 33113445), (69, 29274205), (115, 17564523), (123, 16422115), (183, 11037815), (205, 9853269), (305, 6622689), (345, 5854841), (615, 3284423), (915, 2207563), (943, 2142015), (1403, 1439715), (2341, 862845), (2501, 807645), (2829, 714005), (4209, 479905), (4715, 428403), (7015, 287943), (7023, 287615), (7503, 269215), (11705, 172569), (12505, 161529), (14145, 142801), (21045, 95981), (35115, 57523), (37515, 53843)]