856520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 96

約数和(自身を含む): 2462400

約数和(自身を除く): 1605880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 49, 56, 70, 76, 92, 95, 98, 115, 133, 140, 152, 161, 184, 190, 196, 230, 245, 266, 280, 322, 380, 392, 437, 460, 490, 532, 644, 665, 760, 805, 874, 920, 931, 980, 1064, 1127, 1288, 1330, 1610, 1748, 1862, 1960, 2185, 2254, 2660, 3059, 3220, 3496, 3724, 4370, 4508, 4655, 5320, 5635, 6118, 6440, 7448, 8740, 9016, 9310, 11270, 12236, 15295, 17480, 18620, 21413, 22540, 24472, 30590, 37240, 42826, 45080, 61180, 85652, 107065, 122360, 171304, 214130, 428260, 856520]

約数ペア:

[(1, 856520), (2, 428260), (4, 214130), (5, 171304), (7, 122360), (8, 107065), (10, 85652), (14, 61180), (19, 45080), (20, 42826), (23, 37240), (28, 30590), (35, 24472), (38, 22540), (40, 21413), (46, 18620), (49, 17480), (56, 15295), (70, 12236), (76, 11270), (92, 9310), (95, 9016), (98, 8740), (115, 7448), (133, 6440), (140, 6118), (152, 5635), (161, 5320), (184, 4655), (190, 4508), (196, 4370), (230, 3724), (245, 3496), (266, 3220), (280, 3059), (322, 2660), (380, 2254), (392, 2185), (437, 1960), (460, 1862), (490, 1748), (532, 1610), (644, 1330), (665, 1288), (760, 1127), (805, 1064), (874, 980), (920, 931)]