15435980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 39740400

約数和(自身を除く): 24304420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 829, 931, 980, 1330, 1658, 1862, 2660, 3316, 3724, 4145, 4655, 5803, 8290, 9310, 11606, 15751, 16580, 18620, 23212, 29015, 31502, 40621, 58030, 63004, 78755, 81242, 110257, 116060, 157510, 162484, 203105, 220514, 315020, 406210, 441028, 551285, 771799, 812420, 1102570, 1543598, 2205140, 3087196, 3858995, 7717990, 15435980]

約数ペア:

[(1, 15435980), (2, 7717990), (4, 3858995), (5, 3087196), (7, 2205140), (10, 1543598), (14, 1102570), (19, 812420), (20, 771799), (28, 551285), (35, 441028), (38, 406210), (49, 315020), (70, 220514), (76, 203105), (95, 162484), (98, 157510), (133, 116060), (140, 110257), (190, 81242), (196, 78755), (245, 63004), (266, 58030), (380, 40621), (490, 31502), (532, 29015), (665, 23212), (829, 18620), (931, 16580), (980, 15751), (1330, 11606), (1658, 9310), (1862, 8290), (2660, 5803), (3316, 4655), (3724, 4145)]