7777980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6173}}^1$

素因数の和:6195

約数の個数: 72

約数和(自身を含む): 26968032

約数和(自身を除く): 19190052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 6173, 12346, 18519, 24692, 30865, 37038, 43211, 55557, 61730, 74076, 86422, 92595, 111114, 123460, 129633, 172844, 185190, 216055, 222228, 259266, 277785, 370380, 388899, 432110, 518532, 555570, 648165, 777798, 864220, 1111140, 1296330, 1555596, 1944495, 2592660, 3888990, 7777980]

約数ペア:

[(1, 7777980), (2, 3888990), (3, 2592660), (4, 1944495), (5, 1555596), (6, 1296330), (7, 1111140), (9, 864220), (10, 777798), (12, 648165), (14, 555570), (15, 518532), (18, 432110), (20, 388899), (21, 370380), (28, 277785), (30, 259266), (35, 222228), (36, 216055), (42, 185190), (45, 172844), (60, 129633), (63, 123460), (70, 111114), (84, 92595), (90, 86422), (105, 74076), (126, 61730), (140, 55557), (180, 43211), (210, 37038), (252, 30865), (315, 24692), (420, 18519), (630, 12346), (1260, 6173)]