21228000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 73120320

約数和(自身を除く): 51892320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 61, 75, 80, 87, 96, 100, 116, 120, 122, 125, 145, 150, 160, 174, 183, 200, 232, 240, 244, 250, 290, 300, 305, 348, 366, 375, 400, 435, 464, 480, 488, 500, 580, 600, 610, 696, 725, 732, 750, 800, 870, 915, 928, 976, 1000, 1160, 1200, 1220, 1392, 1450, 1464, 1500, 1525, 1740, 1769, 1830, 1952, 2000, 2175, 2320, 2400, 2440, 2784, 2900, 2928, 3000, 3050, 3480, 3538, 3625, 3660, 4000, 4350, 4575, 4640, 4880, 5307, 5800, 5856, 6000, 6100, 6960, 7076, 7250, 7320, 7625, 8700, 8845, 9150, 9760, 10614, 10875, 11600, 12000, 12200, 13920, 14152, 14500, 14640, 15250, 17400, 17690, 18300, 21228, 21750, 22875, 23200, 24400, 26535, 28304, 29000, 29280, 30500, 34800, 35380, 36600, 42456, 43500, 44225, 45750, 48800, 53070, 56608, 58000, 61000, 69600, 70760, 73200, 84912, 87000, 88450, 91500, 106140, 116000, 122000, 132675, 141520, 146400, 169824, 174000, 176900, 183000, 212280, 221125, 244000, 265350, 283040, 348000, 353800, 366000, 424560, 442250, 530700, 663375, 707600, 732000, 849120, 884500, 1061400, 1326750, 1415200, 1769000, 2122800, 2653500, 3538000, 4245600, 5307000, 7076000, 10614000, 21228000]

約数ペア:

[(1, 21228000), (2, 10614000), (3, 7076000), (4, 5307000), (5, 4245600), (6, 3538000), (8, 2653500), (10, 2122800), (12, 1769000), (15, 1415200), (16, 1326750), (20, 1061400), (24, 884500), (25, 849120), (29, 732000), (30, 707600), (32, 663375), (40, 530700), (48, 442250), (50, 424560), (58, 366000), (60, 353800), (61, 348000), (75, 283040), (80, 265350), (87, 244000), (96, 221125), (100, 212280), (116, 183000), (120, 176900), (122, 174000), (125, 169824), (145, 146400), (150, 141520), (160, 132675), (174, 122000), (183, 116000), (200, 106140), (232, 91500), (240, 88450), (244, 87000), (250, 84912), (290, 73200), (300, 70760), (305, 69600), (348, 61000), (366, 58000), (375, 56608), (400, 53070), (435, 48800), (464, 45750), (480, 44225), (488, 43500), (500, 42456), (580, 36600), (600, 35380), (610, 34800), (696, 30500), (725, 29280), (732, 29000), (750, 28304), (800, 26535), (870, 24400), (915, 23200), (928, 22875), (976, 21750), (1000, 21228), (1160, 18300), (1200, 17690), (1220, 17400), (1392, 15250), (1450, 14640), (1464, 14500), (1500, 14152), (1525, 13920), (1740, 12200), (1769, 12000), (1830, 11600), (1952, 10875), (2000, 10614), (2175, 9760), (2320, 9150), (2400, 8845), (2440, 8700), (2784, 7625), (2900, 7320), (2928, 7250), (3000, 7076), (3050, 6960), (3480, 6100), (3538, 6000), (3625, 5856), (3660, 5800), (4000, 5307), (4350, 4880), (4575, 4640)]