81630840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35803}}^1$

素因数の和:35836

約数の個数: 64

約数和(自身を含む): 257788800

約数和(自身を除く): 176157960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35803, 71606, 107409, 143212, 179015, 214818, 286424, 358030, 429636, 537045, 680257, 716060, 859272, 1074090, 1360514, 1432120, 2040771, 2148180, 2721028, 3401285, 4081542, 4296360, 5442056, 6802570, 8163084, 10203855, 13605140, 16326168, 20407710, 27210280, 40815420, 81630840]

約数ペア:

[(1, 81630840), (2, 40815420), (3, 27210280), (4, 20407710), (5, 16326168), (6, 13605140), (8, 10203855), (10, 8163084), (12, 6802570), (15, 5442056), (19, 4296360), (20, 4081542), (24, 3401285), (30, 2721028), (38, 2148180), (40, 2040771), (57, 1432120), (60, 1360514), (76, 1074090), (95, 859272), (114, 716060), (120, 680257), (152, 537045), (190, 429636), (228, 358030), (285, 286424), (380, 214818), (456, 179015), (570, 143212), (760, 107409), (1140, 71606), (2280, 35803)]