1047688020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{646721}}^1$

素因数の和:646742

約数の個数: 60

約数和(自身を含む): 3286641204

約数和(自身を除く): 2238953184

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, 646721, 1293442, 1940163, 2586884, 3233605, 3880326, 5820489, 6467210, 7760652, 9700815, 11640978, 12934420, 17461467, 19401630, 23281956, 29102445, 34922934, 38803260, 52384401, 58204890, 69845868, 87307335, 104768802, 116409780, 174614670, 209537604, 261922005, 349229340, 523844010, 1047688020]

約数ペア:

[(1, 1047688020), (2, 523844010), (3, 349229340), (4, 261922005), (5, 209537604), (6, 174614670), (9, 116409780), (10, 104768802), (12, 87307335), (15, 69845868), (18, 58204890), (20, 52384401), (27, 38803260), (30, 34922934), (36, 29102445), (45, 23281956), (54, 19401630), (60, 17461467), (81, 12934420), (90, 11640978), (108, 9700815), (135, 7760652), (162, 6467210), (180, 5820489), (270, 3880326), (324, 3233605), (405, 2586884), (540, 1940163), (810, 1293442), (1620, 646721)]