81258900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{617}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 236026560

約数和(自身を除く): 154767660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 439, 617, 878, 1234, 1317, 1756, 1851, 2195, 2468, 2634, 3085, 3702, 4390, 5268, 6170, 6585, 7404, 8780, 9255, 10975, 12340, 13170, 15425, 18510, 21950, 26340, 30850, 32925, 37020, 43900, 46275, 61700, 65850, 92550, 131700, 185100, 270863, 541726, 812589, 1083452, 1354315, 1625178, 2708630, 3250356, 4062945, 5417260, 6771575, 8125890, 13543150, 16251780, 20314725, 27086300, 40629450, 81258900]

約数ペア:

[(1, 81258900), (2, 40629450), (3, 27086300), (4, 20314725), (5, 16251780), (6, 13543150), (10, 8125890), (12, 6771575), (15, 5417260), (20, 4062945), (25, 3250356), (30, 2708630), (50, 1625178), (60, 1354315), (75, 1083452), (100, 812589), (150, 541726), (300, 270863), (439, 185100), (617, 131700), (878, 92550), (1234, 65850), (1317, 61700), (1756, 46275), (1851, 43900), (2195, 37020), (2468, 32925), (2634, 30850), (3085, 26340), (3702, 21950), (4390, 18510), (5268, 15425), (6170, 13170), (6585, 12340), (7404, 10975), (8780, 9255)]