81220500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{18049}}^1$

素因数の和:18074

約数の個数: 72

約数和(自身を含む): 256237800

約数和(自身を除く): 175017300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 18049, 36098, 54147, 72196, 90245, 108294, 162441, 180490, 216588, 270735, 324882, 360980, 451225, 541470, 649764, 812205, 902450, 1082940, 1353675, 1624410, 1804900, 2256125, 2707350, 3248820, 4061025, 4512250, 5414700, 6768375, 8122050, 9024500, 13536750, 16244100, 20305125, 27073500, 40610250, 81220500]

約数ペア:

[(1, 81220500), (2, 40610250), (3, 27073500), (4, 20305125), (5, 16244100), (6, 13536750), (9, 9024500), (10, 8122050), (12, 6768375), (15, 5414700), (18, 4512250), (20, 4061025), (25, 3248820), (30, 2707350), (36, 2256125), (45, 1804900), (50, 1624410), (60, 1353675), (75, 1082940), (90, 902450), (100, 812205), (125, 649764), (150, 541470), (180, 451225), (225, 360980), (250, 324882), (300, 270735), (375, 216588), (450, 180490), (500, 162441), (750, 108294), (900, 90245), (1125, 72196), (1500, 54147), (2250, 36098), (4500, 18049)]