64887840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{45061}}^1$

素因数の和:45082

約数の個数: 72

約数和(自身を含む): 221434668

約数和(自身を除く): 156546828

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 45061, 90122, 135183, 180244, 225305, 270366, 360488, 405549, 450610, 540732, 675915, 720976, 811098, 901220, 1081464, 1351830, 1441952, 1622196, 1802440, 2027745, 2162928, 2703660, 3244392, 3604880, 4055490, 4325856, 5407320, 6488784, 7209760, 8110980, 10814640, 12977568, 16221960, 21629280, 32443920, 64887840]

約数ペア:

[(1, 64887840), (2, 32443920), (3, 21629280), (4, 16221960), (5, 12977568), (6, 10814640), (8, 8110980), (9, 7209760), (10, 6488784), (12, 5407320), (15, 4325856), (16, 4055490), (18, 3604880), (20, 3244392), (24, 2703660), (30, 2162928), (32, 2027745), (36, 1802440), (40, 1622196), (45, 1441952), (48, 1351830), (60, 1081464), (72, 901220), (80, 811098), (90, 720976), (96, 675915), (120, 540732), (144, 450610), (160, 405549), (180, 360488), (240, 270366), (288, 225305), (360, 180244), (480, 135183), (720, 90122), (1440, 45061)]