2155280270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{48619}}^1$

素因数の和:48681

約数の個数: 64

約数和(自身を含む): 4704860160

約数和(自身を除く): 2549579890

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 8866, 22165, 44330, 48619, 97238, 243095, 486190, 534809, 632047, 1069618, 1264094, 1507189, 2674045, 3014378, 3160235, 5348090, 6320470, 6952517, 7535945, 13905034, 15071890, 16579079, 19593457, 33158158, 34762585, 39186914, 69525170, 82895395, 97967285, 165790790, 195934570, 215528027, 431056054, 1077640135, 2155280270]

約数ペア:

[(1, 2155280270), (2, 1077640135), (5, 431056054), (10, 215528027), (11, 195934570), (13, 165790790), (22, 97967285), (26, 82895395), (31, 69525170), (55, 39186914), (62, 34762585), (65, 33158158), (110, 19593457), (130, 16579079), (143, 15071890), (155, 13905034), (286, 7535945), (310, 6952517), (341, 6320470), (403, 5348090), (682, 3160235), (715, 3014378), (806, 2674045), (1430, 1507189), (1705, 1264094), (2015, 1069618), (3410, 632047), (4030, 534809), (4433, 486190), (8866, 243095), (22165, 97238), (44330, 48619)]