1811330460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{43943}}^1$

素因数の和:44187

約数の個数: 72

約数和(自身を含む): 5518487520

約数和(自身を除く): 3707157060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 20610, 41220, 43943, 87886, 131829, 175772, 219715, 263658, 395487, 439430, 527316, 659145, 790974, 878860, 1318290, 1581948, 1977435, 2636580, 3954870, 7909740, 10062947, 20125894, 30188841, 40251788, 50314735, 60377682, 90566523, 100629470, 120755364, 150944205, 181133046, 201258940, 301888410, 362266092, 452832615, 603776820, 905665230, 1811330460]

約数ペア:

[(1, 1811330460), (2, 905665230), (3, 603776820), (4, 452832615), (5, 362266092), (6, 301888410), (9, 201258940), (10, 181133046), (12, 150944205), (15, 120755364), (18, 100629470), (20, 90566523), (30, 60377682), (36, 50314735), (45, 40251788), (60, 30188841), (90, 20125894), (180, 10062947), (229, 7909740), (458, 3954870), (687, 2636580), (916, 1977435), (1145, 1581948), (1374, 1318290), (2061, 878860), (2290, 790974), (2748, 659145), (3435, 527316), (4122, 439430), (4580, 395487), (6870, 263658), (8244, 219715), (10305, 175772), (13740, 131829), (20610, 87886), (41220, 43943)]