291990420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{180241}}^1$

素因数の和:180262

約数の個数: 60

約数和(自身を含む): 915989844

約数和(自身を除く): 623999424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 180241, 360482, 540723, 720964, 901205, 1081446, 1622169, 1802410, 2162892, 2703615, 3244338, 3604820, 4866507, 5407230, 6488676, 8110845, 9733014, 10814460, 14599521, 16221690, 19466028, 24332535, 29199042, 32443380, 48665070, 58398084, 72997605, 97330140, 145995210, 291990420]

約数ペア:

[(1, 291990420), (2, 145995210), (3, 97330140), (4, 72997605), (5, 58398084), (6, 48665070), (9, 32443380), (10, 29199042), (12, 24332535), (15, 19466028), (18, 16221690), (20, 14599521), (27, 10814460), (30, 9733014), (36, 8110845), (45, 6488676), (54, 5407230), (60, 4866507), (81, 3604820), (90, 3244338), (108, 2703615), (135, 2162892), (162, 1802410), (180, 1622169), (270, 1081446), (324, 901205), (405, 720964), (540, 540723), (810, 360482), (1620, 180241)]