20753280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1201}}^1$

素因数の和:1229

約数の個数: 128

約数和(自身を含む): 73562400

約数和(自身を除く): 52809120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1201, 1440, 1728, 1920, 2160, 2402, 2880, 3456, 3603, 4320, 4804, 5760, 6005, 7206, 8640, 9608, 10809, 12010, 14412, 17280, 18015, 19216, 21618, 24020, 28824, 32427, 36030, 38432, 43236, 48040, 54045, 57648, 64854, 72060, 76864, 86472, 96080, 108090, 115296, 129708, 144120, 153728, 162135, 172944, 192160, 216180, 230592, 259416, 288240, 324270, 345888, 384320, 432360, 461184, 518832, 576480, 648540, 691776, 768640, 864720, 1037664, 1152960, 1297080, 1383552, 1729440, 2075328, 2305920, 2594160, 3458880, 4150656, 5188320, 6917760, 10376640, 20753280]

約数ペア:

[(1, 20753280), (2, 10376640), (3, 6917760), (4, 5188320), (5, 4150656), (6, 3458880), (8, 2594160), (9, 2305920), (10, 2075328), (12, 1729440), (15, 1383552), (16, 1297080), (18, 1152960), (20, 1037664), (24, 864720), (27, 768640), (30, 691776), (32, 648540), (36, 576480), (40, 518832), (45, 461184), (48, 432360), (54, 384320), (60, 345888), (64, 324270), (72, 288240), (80, 259416), (90, 230592), (96, 216180), (108, 192160), (120, 172944), (128, 162135), (135, 153728), (144, 144120), (160, 129708), (180, 115296), (192, 108090), (216, 96080), (240, 86472), (270, 76864), (288, 72060), (320, 64854), (360, 57648), (384, 54045), (432, 48040), (480, 43236), (540, 38432), (576, 36030), (640, 32427), (720, 28824), (864, 24020), (960, 21618), (1080, 19216), (1152, 18015), (1201, 17280), (1440, 14412), (1728, 12010), (1920, 10809), (2160, 9608), (2402, 8640), (2880, 7206), (3456, 6005), (3603, 5760), (4320, 4804)]