212168970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20149}}^1$

素因数の和:20181

約数の個数: 80

約数和(自身を含む): 614413800

約数和(自身を除く): 402244830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 20149, 40298, 60447, 100745, 120894, 181341, 201490, 261937, 302235, 362682, 523874, 544023, 604470, 785811, 906705, 1088046, 1309685, 1571622, 1632069, 1813410, 2357433, 2619370, 2720115, 3264138, 3929055, 4714866, 5440230, 7072299, 7858110, 8160345, 11787165, 14144598, 16320690, 21216897, 23574330, 35361495, 42433794, 70722990, 106084485, 212168970]

約数ペア:

[(1, 212168970), (2, 106084485), (3, 70722990), (5, 42433794), (6, 35361495), (9, 23574330), (10, 21216897), (13, 16320690), (15, 14144598), (18, 11787165), (26, 8160345), (27, 7858110), (30, 7072299), (39, 5440230), (45, 4714866), (54, 3929055), (65, 3264138), (78, 2720115), (81, 2619370), (90, 2357433), (117, 1813410), (130, 1632069), (135, 1571622), (162, 1309685), (195, 1088046), (234, 906705), (270, 785811), (351, 604470), (390, 544023), (405, 523874), (585, 362682), (702, 302235), (810, 261937), (1053, 201490), (1170, 181341), (1755, 120894), (2106, 100745), (3510, 60447), (5265, 40298), (10530, 20149)]