19612800

素因数分解:

$2^7\times 3^3\times 5^2\times {\mathrm{227}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 72093600

約数和(自身を除く): 52480800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 227, 240, 270, 288, 300, 320, 360, 384, 400, 432, 450, 454, 480, 540, 576, 600, 640, 675, 681, 720, 800, 864, 900, 908, 960, 1080, 1135, 1152, 1200, 1350, 1362, 1440, 1600, 1728, 1800, 1816, 1920, 2043, 2160, 2270, 2400, 2700, 2724, 2880, 3200, 3405, 3456, 3600, 3632, 4086, 4320, 4540, 4800, 5400, 5448, 5675, 5760, 6129, 6810, 7200, 7264, 8172, 8640, 9080, 9600, 10215, 10800, 10896, 11350, 12258, 13620, 14400, 14528, 16344, 17025, 17280, 18160, 20430, 21600, 21792, 22700, 24516, 27240, 28800, 29056, 30645, 32688, 34050, 36320, 40860, 43200, 43584, 45400, 49032, 51075, 54480, 61290, 65376, 68100, 72640, 81720, 86400, 87168, 90800, 98064, 102150, 108960, 122580, 130752, 136200, 145280, 153225, 163440, 181600, 196128, 204300, 217920, 245160, 261504, 272400, 306450, 326880, 363200, 392256, 408600, 435840, 490320, 544800, 612900, 653760, 726400, 784512, 817200, 980640, 1089600, 1225800, 1307520, 1634400, 1961280, 2179200, 2451600, 3268800, 3922560, 4903200, 6537600, 9806400, 19612800]

約数ペア:

[(1, 19612800), (2, 9806400), (3, 6537600), (4, 4903200), (5, 3922560), (6, 3268800), (8, 2451600), (9, 2179200), (10, 1961280), (12, 1634400), (15, 1307520), (16, 1225800), (18, 1089600), (20, 980640), (24, 817200), (25, 784512), (27, 726400), (30, 653760), (32, 612900), (36, 544800), (40, 490320), (45, 435840), (48, 408600), (50, 392256), (54, 363200), (60, 326880), (64, 306450), (72, 272400), (75, 261504), (80, 245160), (90, 217920), (96, 204300), (100, 196128), (108, 181600), (120, 163440), (128, 153225), (135, 145280), (144, 136200), (150, 130752), (160, 122580), (180, 108960), (192, 102150), (200, 98064), (216, 90800), (225, 87168), (227, 86400), (240, 81720), (270, 72640), (288, 68100), (300, 65376), (320, 61290), (360, 54480), (384, 51075), (400, 49032), (432, 45400), (450, 43584), (454, 43200), (480, 40860), (540, 36320), (576, 34050), (600, 32688), (640, 30645), (675, 29056), (681, 28800), (720, 27240), (800, 24516), (864, 22700), (900, 21792), (908, 21600), (960, 20430), (1080, 18160), (1135, 17280), (1152, 17025), (1200, 16344), (1350, 14528), (1362, 14400), (1440, 13620), (1600, 12258), (1728, 11350), (1800, 10896), (1816, 10800), (1920, 10215), (2043, 9600), (2160, 9080), (2270, 8640), (2400, 8172), (2700, 7264), (2724, 7200), (2880, 6810), (3200, 6129), (3405, 5760), (3456, 5675), (3600, 5448), (3632, 5400), (4086, 4800), (4320, 4540)]