27905940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{677}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 85143240

約数和(自身を除く): 57237300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 677, 687, 916, 1145, 1354, 1374, 2031, 2061, 2290, 2708, 2748, 3385, 3435, 4062, 4122, 4580, 6093, 6770, 6870, 8124, 8244, 10155, 10305, 12186, 13540, 13740, 20310, 20610, 24372, 30465, 40620, 41220, 60930, 121860, 155033, 310066, 465099, 620132, 775165, 930198, 1395297, 1550330, 1860396, 2325495, 2790594, 3100660, 4650990, 5581188, 6976485, 9301980, 13952970, 27905940]

約数ペア:

[(1, 27905940), (2, 13952970), (3, 9301980), (4, 6976485), (5, 5581188), (6, 4650990), (9, 3100660), (10, 2790594), (12, 2325495), (15, 1860396), (18, 1550330), (20, 1395297), (30, 930198), (36, 775165), (45, 620132), (60, 465099), (90, 310066), (180, 155033), (229, 121860), (458, 60930), (677, 41220), (687, 40620), (916, 30465), (1145, 24372), (1354, 20610), (1374, 20310), (2031, 13740), (2061, 13540), (2290, 12186), (2708, 10305), (2748, 10155), (3385, 8244), (3435, 8124), (4062, 6870), (4122, 6770), (4580, 6093)]