79801680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47501}}^1$

素因数の和:47524

約数の個数: 80

約数和(自身を含む): 282731904

約数和(自身を除く): 202930224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 47501, 95002, 142503, 190004, 237505, 285006, 332507, 380008, 475010, 570012, 665014, 712515, 760016, 950020, 997521, 1140024, 1330028, 1425030, 1662535, 1900040, 1995042, 2280048, 2660056, 2850060, 3325070, 3800080, 3990084, 4987605, 5320112, 5700120, 6650140, 7980168, 9975210, 11400240, 13300280, 15960336, 19950420, 26600560, 39900840, 79801680]

約数ペア:

[(1, 79801680), (2, 39900840), (3, 26600560), (4, 19950420), (5, 15960336), (6, 13300280), (7, 11400240), (8, 9975210), (10, 7980168), (12, 6650140), (14, 5700120), (15, 5320112), (16, 4987605), (20, 3990084), (21, 3800080), (24, 3325070), (28, 2850060), (30, 2660056), (35, 2280048), (40, 1995042), (42, 1900040), (48, 1662535), (56, 1425030), (60, 1330028), (70, 1140024), (80, 997521), (84, 950020), (105, 760016), (112, 712515), (120, 665014), (140, 570012), (168, 475010), (210, 380008), (240, 332507), (280, 285006), (336, 237505), (420, 190004), (560, 142503), (840, 95002), (1680, 47501)]