4048020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 12588576

約数和(自身を除く): 8540556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 523, 645, 774, 860, 1046, 1290, 1548, 1569, 1935, 2092, 2580, 2615, 3138, 3870, 4707, 5230, 6276, 7740, 7845, 9414, 10460, 15690, 18828, 22489, 23535, 31380, 44978, 47070, 67467, 89956, 94140, 112445, 134934, 202401, 224890, 269868, 337335, 404802, 449780, 674670, 809604, 1012005, 1349340, 2024010, 4048020]

約数ペア:

[(1, 4048020), (2, 2024010), (3, 1349340), (4, 1012005), (5, 809604), (6, 674670), (9, 449780), (10, 404802), (12, 337335), (15, 269868), (18, 224890), (20, 202401), (30, 134934), (36, 112445), (43, 94140), (45, 89956), (60, 67467), (86, 47070), (90, 44978), (129, 31380), (172, 23535), (180, 22489), (215, 18828), (258, 15690), (387, 10460), (430, 9414), (516, 7845), (523, 7740), (645, 6276), (774, 5230), (860, 4707), (1046, 3870), (1290, 3138), (1548, 2615), (1569, 2580), (1935, 2092)]