27991440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{12959}}^1$

素因数の和:12981

約数の個数: 80

約数和(自身を含む): 96422400

約数和(自身を除く): 68430960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 12959, 25918, 38877, 51836, 64795, 77754, 103672, 116631, 129590, 155508, 194385, 207344, 233262, 259180, 311016, 349893, 388770, 466524, 518360, 583155, 622032, 699786, 777540, 933048, 1036720, 1166310, 1399572, 1555080, 1749465, 1866096, 2332620, 2799144, 3110160, 3498930, 4665240, 5598288, 6997860, 9330480, 13995720, 27991440]

約数ペア:

[(1, 27991440), (2, 13995720), (3, 9330480), (4, 6997860), (5, 5598288), (6, 4665240), (8, 3498930), (9, 3110160), (10, 2799144), (12, 2332620), (15, 1866096), (16, 1749465), (18, 1555080), (20, 1399572), (24, 1166310), (27, 1036720), (30, 933048), (36, 777540), (40, 699786), (45, 622032), (48, 583155), (54, 518360), (60, 466524), (72, 388770), (80, 349893), (90, 311016), (108, 259180), (120, 233262), (135, 207344), (144, 194385), (180, 155508), (216, 129590), (240, 116631), (270, 103672), (360, 77754), (432, 64795), (540, 51836), (720, 38877), (1080, 25918), (2160, 12959)]