81620000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 240

約数和(自身を含む): 255068352

約数和(自身を除く): 173448352

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 53, 55, 56, 70, 77, 80, 88, 100, 106, 110, 112, 125, 140, 154, 160, 175, 176, 200, 212, 220, 224, 250, 265, 275, 280, 308, 350, 352, 371, 385, 400, 424, 440, 500, 530, 550, 560, 583, 616, 625, 700, 742, 770, 800, 848, 875, 880, 1000, 1060, 1100, 1120, 1166, 1232, 1250, 1325, 1375, 1400, 1484, 1540, 1696, 1750, 1760, 1855, 1925, 2000, 2120, 2200, 2332, 2464, 2500, 2650, 2750, 2800, 2915, 2968, 3080, 3500, 3710, 3850, 4000, 4081, 4240, 4375, 4400, 4664, 5000, 5300, 5500, 5600, 5830, 5936, 6160, 6625, 6875, 7000, 7420, 7700, 8162, 8480, 8750, 8800, 9275, 9328, 9625, 10000, 10600, 11000, 11660, 11872, 12320, 13250, 13750, 14000, 14575, 14840, 15400, 16324, 17500, 18550, 18656, 19250, 20000, 20405, 21200, 22000, 23320, 26500, 27500, 28000, 29150, 29680, 30800, 32648, 33125, 35000, 37100, 38500, 40810, 42400, 44000, 46375, 46640, 48125, 53000, 55000, 58300, 59360, 61600, 65296, 66250, 70000, 72875, 74200, 77000, 81620, 92750, 93280, 96250, 102025, 106000, 110000, 116600, 130592, 132500, 140000, 145750, 148400, 154000, 163240, 185500, 192500, 204050, 212000, 220000, 231875, 233200, 265000, 291500, 296800, 308000, 326480, 364375, 371000, 385000, 408100, 463750, 466400, 510125, 530000, 583000, 652960, 728750, 742000, 770000, 816200, 927500, 1020250, 1060000, 1166000, 1457500, 1484000, 1540000, 1632400, 1855000, 2040500, 2332000, 2550625, 2915000, 3264800, 3710000, 4081000, 5101250, 5830000, 7420000, 8162000, 10202500, 11660000, 16324000, 20405000, 40810000, 81620000]

約数ペア:

[(1, 81620000), (2, 40810000), (4, 20405000), (5, 16324000), (7, 11660000), (8, 10202500), (10, 8162000), (11, 7420000), (14, 5830000), (16, 5101250), (20, 4081000), (22, 3710000), (25, 3264800), (28, 2915000), (32, 2550625), (35, 2332000), (40, 2040500), (44, 1855000), (50, 1632400), (53, 1540000), (55, 1484000), (56, 1457500), (70, 1166000), (77, 1060000), (80, 1020250), (88, 927500), (100, 816200), (106, 770000), (110, 742000), (112, 728750), (125, 652960), (140, 583000), (154, 530000), (160, 510125), (175, 466400), (176, 463750), (200, 408100), (212, 385000), (220, 371000), (224, 364375), (250, 326480), (265, 308000), (275, 296800), (280, 291500), (308, 265000), (350, 233200), (352, 231875), (371, 220000), (385, 212000), (400, 204050), (424, 192500), (440, 185500), (500, 163240), (530, 154000), (550, 148400), (560, 145750), (583, 140000), (616, 132500), (625, 130592), (700, 116600), (742, 110000), (770, 106000), (800, 102025), (848, 96250), (875, 93280), (880, 92750), (1000, 81620), (1060, 77000), (1100, 74200), (1120, 72875), (1166, 70000), (1232, 66250), (1250, 65296), (1325, 61600), (1375, 59360), (1400, 58300), (1484, 55000), (1540, 53000), (1696, 48125), (1750, 46640), (1760, 46375), (1855, 44000), (1925, 42400), (2000, 40810), (2120, 38500), (2200, 37100), (2332, 35000), (2464, 33125), (2500, 32648), (2650, 30800), (2750, 29680), (2800, 29150), (2915, 28000), (2968, 27500), (3080, 26500), (3500, 23320), (3710, 22000), (3850, 21200), (4000, 20405), (4081, 20000), (4240, 19250), (4375, 18656), (4400, 18550), (4664, 17500), (5000, 16324), (5300, 15400), (5500, 14840), (5600, 14575), (5830, 14000), (5936, 13750), (6160, 13250), (6625, 12320), (6875, 11872), (7000, 11660), (7420, 11000), (7700, 10600), (8162, 10000), (8480, 9625), (8750, 9328), (8800, 9275)]