71580420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{727}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 217823424

約数和(自身を除く): 146243004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 727, 1094, 1454, 1641, 2181, 2188, 2735, 2908, 3282, 3635, 4362, 4923, 5470, 6543, 6564, 7270, 8205, 8724, 9846, 10905, 10940, 13086, 14540, 16410, 19692, 21810, 24615, 26172, 32715, 32820, 43620, 49230, 65430, 98460, 130860, 397669, 795338, 1193007, 1590676, 1988345, 2386014, 3579021, 3976690, 4772028, 5965035, 7158042, 7953380, 11930070, 14316084, 17895105, 23860140, 35790210, 71580420]

約数ペア:

[(1, 71580420), (2, 35790210), (3, 23860140), (4, 17895105), (5, 14316084), (6, 11930070), (9, 7953380), (10, 7158042), (12, 5965035), (15, 4772028), (18, 3976690), (20, 3579021), (30, 2386014), (36, 1988345), (45, 1590676), (60, 1193007), (90, 795338), (180, 397669), (547, 130860), (727, 98460), (1094, 65430), (1454, 49230), (1641, 43620), (2181, 32820), (2188, 32715), (2735, 26172), (2908, 24615), (3282, 21810), (3635, 19692), (4362, 16410), (4923, 14540), (5470, 13086), (6543, 10940), (6564, 10905), (7270, 9846), (8205, 8724)]