21620880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30029}}^1$

素因数の和:30048

約数の個数: 60

約数和(自身を含む): 72612540

約数和(自身を除く): 50991660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30029, 60058, 90087, 120116, 150145, 180174, 240232, 270261, 300290, 360348, 450435, 480464, 540522, 600580, 720696, 900870, 1081044, 1201160, 1351305, 1441392, 1801740, 2162088, 2402320, 2702610, 3603480, 4324176, 5405220, 7206960, 10810440, 21620880]

約数ペア:

[(1, 21620880), (2, 10810440), (3, 7206960), (4, 5405220), (5, 4324176), (6, 3603480), (8, 2702610), (9, 2402320), (10, 2162088), (12, 1801740), (15, 1441392), (16, 1351305), (18, 1201160), (20, 1081044), (24, 900870), (30, 720696), (36, 600580), (40, 540522), (45, 480464), (48, 450435), (60, 360348), (72, 300290), (80, 270261), (90, 240232), (120, 180174), (144, 150145), (180, 120116), (240, 90087), (360, 60058), (720, 30029)]