20802960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9631}}^1$

素因数の和:9653

約数の個数: 80

約数和(自身を含む): 71662080

約数和(自身を除く): 50859120

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, 9631, 19262, 28893, 38524, 48155, 57786, 77048, 86679, 96310, 115572, 144465, 154096, 173358, 192620, 231144, 260037, 288930, 346716, 385240, 433395, 462288, 520074, 577860, 693432, 770480, 866790, 1040148, 1155720, 1300185, 1386864, 1733580, 2080296, 2311440, 2600370, 3467160, 4160592, 5200740, 6934320, 10401480, 20802960]

約数ペア:

[(1, 20802960), (2, 10401480), (3, 6934320), (4, 5200740), (5, 4160592), (6, 3467160), (8, 2600370), (9, 2311440), (10, 2080296), (12, 1733580), (15, 1386864), (16, 1300185), (18, 1155720), (20, 1040148), (24, 866790), (27, 770480), (30, 693432), (36, 577860), (40, 520074), (45, 462288), (48, 433395), (54, 385240), (60, 346716), (72, 288930), (80, 260037), (90, 231144), (108, 192620), (120, 173358), (135, 154096), (144, 144465), (180, 115572), (216, 96310), (240, 86679), (270, 77048), (360, 57786), (432, 48155), (540, 38524), (720, 28893), (1080, 19262), (2160, 9631)]