78840720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15643}}^1$

素因数の和:15669

約数の個数: 120

約数和(自身を含む): 302617536

約数和(自身を除く): 223776816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15643, 31286, 46929, 62572, 78215, 93858, 109501, 125144, 140787, 156430, 187716, 219002, 234645, 250288, 281574, 312860, 328503, 375432, 438004, 469290, 547505, 563148, 625720, 657006, 703935, 750864, 876008, 938580, 985509, 1095010, 1126296, 1251440, 1314012, 1407870, 1642515, 1752016, 1877160, 1971018, 2190020, 2252592, 2628024, 2815740, 3285030, 3754320, 3942036, 4380040, 4927545, 5256048, 5631480, 6570060, 7884072, 8760080, 9855090, 11262960, 13140120, 15768144, 19710180, 26280240, 39420360, 78840720]

約数ペア:

[(1, 78840720), (2, 39420360), (3, 26280240), (4, 19710180), (5, 15768144), (6, 13140120), (7, 11262960), (8, 9855090), (9, 8760080), (10, 7884072), (12, 6570060), (14, 5631480), (15, 5256048), (16, 4927545), (18, 4380040), (20, 3942036), (21, 3754320), (24, 3285030), (28, 2815740), (30, 2628024), (35, 2252592), (36, 2190020), (40, 1971018), (42, 1877160), (45, 1752016), (48, 1642515), (56, 1407870), (60, 1314012), (63, 1251440), (70, 1126296), (72, 1095010), (80, 985509), (84, 938580), (90, 876008), (105, 750864), (112, 703935), (120, 657006), (126, 625720), (140, 563148), (144, 547505), (168, 469290), (180, 438004), (210, 375432), (240, 328503), (252, 312860), (280, 281574), (315, 250288), (336, 234645), (360, 219002), (420, 187716), (504, 156430), (560, 140787), (630, 125144), (720, 109501), (840, 93858), (1008, 78215), (1260, 62572), (1680, 46929), (2520, 31286), (5040, 15643)]