77979440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12659}}^1$

素因数の和:12690

約数の個数: 80

約数和(自身を含む): 226056960

約数和(自身を除く): 148077520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12659, 25318, 50636, 63295, 88613, 101272, 126590, 139249, 177226, 202544, 253180, 278498, 354452, 443065, 506360, 556996, 696245, 708904, 886130, 974743, 1012720, 1113992, 1392490, 1417808, 1772260, 1949486, 2227984, 2784980, 3544520, 3898972, 4873715, 5569960, 7089040, 7797944, 9747430, 11139920, 15595888, 19494860, 38989720, 77979440]

約数ペア:

[(1, 77979440), (2, 38989720), (4, 19494860), (5, 15595888), (7, 11139920), (8, 9747430), (10, 7797944), (11, 7089040), (14, 5569960), (16, 4873715), (20, 3898972), (22, 3544520), (28, 2784980), (35, 2227984), (40, 1949486), (44, 1772260), (55, 1417808), (56, 1392490), (70, 1113992), (77, 1012720), (80, 974743), (88, 886130), (110, 708904), (112, 696245), (140, 556996), (154, 506360), (176, 443065), (220, 354452), (280, 278498), (308, 253180), (385, 202544), (440, 177226), (560, 139249), (616, 126590), (770, 101272), (880, 88613), (1232, 63295), (1540, 50636), (3080, 25318), (6160, 12659)]