51570540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1981

約数の個数: 144

約数和(自身を含む): 186732000

約数和(自身を除く): 135161460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 1949, 2205, 2646, 2940, 3780, 3898, 4410, 5292, 5847, 6615, 7796, 8820, 9745, 11694, 13230, 13643, 17541, 19490, 23388, 26460, 27286, 29235, 35082, 38980, 40929, 52623, 54572, 58470, 68215, 70164, 81858, 87705, 95501, 105246, 116940, 122787, 136430, 163716, 175410, 191002, 204645, 210492, 245574, 263115, 272860, 286503, 350820, 368361, 382004, 409290, 477505, 491148, 526230, 573006, 613935, 736722, 818580, 859509, 955010, 1052460, 1146012, 1227870, 1432515, 1473444, 1719018, 1841805, 1910020, 2455740, 2578527, 2865030, 3438036, 3683610, 4297545, 5157054, 5730060, 7367220, 8595090, 10314108, 12892635, 17190180, 25785270, 51570540]

約数ペア:

[(1, 51570540), (2, 25785270), (3, 17190180), (4, 12892635), (5, 10314108), (6, 8595090), (7, 7367220), (9, 5730060), (10, 5157054), (12, 4297545), (14, 3683610), (15, 3438036), (18, 2865030), (20, 2578527), (21, 2455740), (27, 1910020), (28, 1841805), (30, 1719018), (35, 1473444), (36, 1432515), (42, 1227870), (45, 1146012), (49, 1052460), (54, 955010), (60, 859509), (63, 818580), (70, 736722), (84, 613935), (90, 573006), (98, 526230), (105, 491148), (108, 477505), (126, 409290), (135, 382004), (140, 368361), (147, 350820), (180, 286503), (189, 272860), (196, 263115), (210, 245574), (245, 210492), (252, 204645), (270, 191002), (294, 175410), (315, 163716), (378, 136430), (420, 122787), (441, 116940), (490, 105246), (540, 95501), (588, 87705), (630, 81858), (735, 70164), (756, 68215), (882, 58470), (945, 54572), (980, 52623), (1260, 40929), (1323, 38980), (1470, 35082), (1764, 29235), (1890, 27286), (1949, 26460), (2205, 23388), (2646, 19490), (2940, 17541), (3780, 13643), (3898, 13230), (4410, 11694), (5292, 9745), (5847, 8820), (6615, 7796)]