80981100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 264045600

約数和(自身を除く): 183064500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 89, 90, 100, 108, 135, 150, 178, 180, 225, 267, 270, 300, 337, 356, 445, 450, 534, 540, 674, 675, 801, 890, 900, 1011, 1068, 1335, 1348, 1350, 1602, 1685, 1780, 2022, 2225, 2403, 2670, 2700, 3033, 3204, 3370, 4005, 4044, 4450, 4806, 5055, 5340, 6066, 6675, 6740, 8010, 8425, 8900, 9099, 9612, 10110, 12015, 12132, 13350, 15165, 16020, 16850, 18198, 20025, 20220, 24030, 25275, 26700, 29993, 30330, 33700, 36396, 40050, 45495, 48060, 50550, 59986, 60075, 60660, 75825, 80100, 89979, 90990, 101100, 119972, 120150, 149965, 151650, 179958, 181980, 227475, 240300, 269937, 299930, 303300, 359916, 449895, 454950, 539874, 599860, 749825, 809811, 899790, 909900, 1079748, 1349685, 1499650, 1619622, 1799580, 2249475, 2699370, 2999300, 3239244, 4049055, 4498950, 5398740, 6748425, 8098110, 8997900, 13496850, 16196220, 20245275, 26993700, 40490550, 80981100]

約数ペア:

[(1, 80981100), (2, 40490550), (3, 26993700), (4, 20245275), (5, 16196220), (6, 13496850), (9, 8997900), (10, 8098110), (12, 6748425), (15, 5398740), (18, 4498950), (20, 4049055), (25, 3239244), (27, 2999300), (30, 2699370), (36, 2249475), (45, 1799580), (50, 1619622), (54, 1499650), (60, 1349685), (75, 1079748), (89, 909900), (90, 899790), (100, 809811), (108, 749825), (135, 599860), (150, 539874), (178, 454950), (180, 449895), (225, 359916), (267, 303300), (270, 299930), (300, 269937), (337, 240300), (356, 227475), (445, 181980), (450, 179958), (534, 151650), (540, 149965), (674, 120150), (675, 119972), (801, 101100), (890, 90990), (900, 89979), (1011, 80100), (1068, 75825), (1335, 60660), (1348, 60075), (1350, 59986), (1602, 50550), (1685, 48060), (1780, 45495), (2022, 40050), (2225, 36396), (2403, 33700), (2670, 30330), (2700, 29993), (3033, 26700), (3204, 25275), (3370, 24030), (4005, 20220), (4044, 20025), (4450, 18198), (4806, 16850), (5055, 16020), (5340, 15165), (6066, 13350), (6675, 12132), (6740, 12015), (8010, 10110), (8425, 9612), (8900, 9099)]