25779420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 78702624

約数和(自身を除く): 52923204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 727, 788, 985, 1182, 1454, 1773, 1970, 2181, 2364, 2908, 2955, 3546, 3635, 3940, 4362, 5910, 6543, 7092, 7270, 8724, 8865, 10905, 11820, 13086, 14540, 17730, 21810, 26172, 32715, 35460, 43620, 65430, 130860, 143219, 286438, 429657, 572876, 716095, 859314, 1288971, 1432190, 1718628, 2148285, 2577942, 2864380, 4296570, 5155884, 6444855, 8593140, 12889710, 25779420]

約数ペア:

[(1, 25779420), (2, 12889710), (3, 8593140), (4, 6444855), (5, 5155884), (6, 4296570), (9, 2864380), (10, 2577942), (12, 2148285), (15, 1718628), (18, 1432190), (20, 1288971), (30, 859314), (36, 716095), (45, 572876), (60, 429657), (90, 286438), (180, 143219), (197, 130860), (394, 65430), (591, 43620), (727, 35460), (788, 32715), (985, 26172), (1182, 21810), (1454, 17730), (1773, 14540), (1970, 13086), (2181, 11820), (2364, 10905), (2908, 8865), (2955, 8724), (3546, 7270), (3635, 7092), (3940, 6543), (4362, 5910)]