248701140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1459}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 755707680

約数和(自身を除く): 507006540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1459, 1894, 2841, 2918, 3788, 4377, 4735, 5682, 5836, 7295, 8523, 8754, 9470, 11364, 13131, 14205, 14590, 17046, 17508, 18940, 21885, 26262, 28410, 29180, 34092, 42615, 43770, 52524, 56820, 65655, 85230, 87540, 131310, 170460, 262620, 1381673, 2763346, 4145019, 5526692, 6908365, 8290038, 12435057, 13816730, 16580076, 20725095, 24870114, 27633460, 41450190, 49740228, 62175285, 82900380, 124350570, 248701140]

約数ペア:

[(1, 248701140), (2, 124350570), (3, 82900380), (4, 62175285), (5, 49740228), (6, 41450190), (9, 27633460), (10, 24870114), (12, 20725095), (15, 16580076), (18, 13816730), (20, 12435057), (30, 8290038), (36, 6908365), (45, 5526692), (60, 4145019), (90, 2763346), (180, 1381673), (947, 262620), (1459, 170460), (1894, 131310), (2841, 87540), (2918, 85230), (3788, 65655), (4377, 56820), (4735, 52524), (5682, 43770), (5836, 42615), (7295, 34092), (8523, 29180), (8754, 28410), (9470, 26262), (11364, 21885), (13131, 18940), (14205, 17508), (14590, 17046)]