1890718380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{21929}}^1$

素因数の和:22423

約数の個数: 72

約数和(自身を含む): 5747414400

約数和(自身を除く): 3856696020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1916, 2395, 2874, 4311, 4790, 5748, 7185, 8622, 9580, 14370, 17244, 21555, 21929, 28740, 43110, 43858, 65787, 86220, 87716, 109645, 131574, 197361, 219290, 263148, 328935, 394722, 438580, 657870, 789444, 986805, 1315740, 1973610, 3947220, 10503991, 21007982, 31511973, 42015964, 52519955, 63023946, 94535919, 105039910, 126047892, 157559865, 189071838, 210079820, 315119730, 378143676, 472679595, 630239460, 945359190, 1890718380]

約数ペア:

[(1, 1890718380), (2, 945359190), (3, 630239460), (4, 472679595), (5, 378143676), (6, 315119730), (9, 210079820), (10, 189071838), (12, 157559865), (15, 126047892), (18, 105039910), (20, 94535919), (30, 63023946), (36, 52519955), (45, 42015964), (60, 31511973), (90, 21007982), (180, 10503991), (479, 3947220), (958, 1973610), (1437, 1315740), (1916, 986805), (2395, 789444), (2874, 657870), (4311, 438580), (4790, 394722), (5748, 328935), (7185, 263148), (8622, 219290), (9580, 197361), (14370, 131574), (17244, 109645), (21555, 87716), (21929, 86220), (28740, 65787), (43110, 43858)]