18809280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 224

約数和(自身を含む): 76078080

約数和(自身を除く): 57268800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 311, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 622, 630, 672, 720, 756, 840, 864, 933, 945, 960, 1008, 1080, 1120, 1244, 1260, 1344, 1440, 1512, 1555, 1680, 1728, 1866, 1890, 2016, 2160, 2177, 2240, 2488, 2520, 2799, 2880, 3024, 3110, 3360, 3732, 3780, 4032, 4320, 4354, 4665, 4976, 5040, 5598, 6048, 6220, 6531, 6720, 7464, 7560, 8397, 8640, 8708, 9330, 9952, 10080, 10885, 11196, 12096, 12440, 13062, 13995, 14928, 15120, 16794, 17416, 18660, 19593, 19904, 20160, 21770, 22392, 24880, 26124, 27990, 29856, 30240, 32655, 33588, 34832, 37320, 39186, 41985, 43540, 44784, 49760, 52248, 55980, 58779, 59712, 60480, 65310, 67176, 69664, 74640, 78372, 83970, 87080, 89568, 97965, 99520, 104496, 111960, 117558, 130620, 134352, 139328, 149280, 156744, 167940, 174160, 179136, 195930, 208992, 223920, 235116, 261240, 268704, 293895, 298560, 313488, 335880, 348320, 391860, 417984, 447840, 470232, 522480, 537408, 587790, 626976, 671760, 696640, 783720, 895680, 940464, 1044960, 1175580, 1253952, 1343520, 1567440, 1880928, 2089920, 2351160, 2687040, 3134880, 3761856, 4702320, 6269760, 9404640, 18809280]

約数ペア:

[(1, 18809280), (2, 9404640), (3, 6269760), (4, 4702320), (5, 3761856), (6, 3134880), (7, 2687040), (8, 2351160), (9, 2089920), (10, 1880928), (12, 1567440), (14, 1343520), (15, 1253952), (16, 1175580), (18, 1044960), (20, 940464), (21, 895680), (24, 783720), (27, 696640), (28, 671760), (30, 626976), (32, 587790), (35, 537408), (36, 522480), (40, 470232), (42, 447840), (45, 417984), (48, 391860), (54, 348320), (56, 335880), (60, 313488), (63, 298560), (64, 293895), (70, 268704), (72, 261240), (80, 235116), (84, 223920), (90, 208992), (96, 195930), (105, 179136), (108, 174160), (112, 167940), (120, 156744), (126, 149280), (135, 139328), (140, 134352), (144, 130620), (160, 117558), (168, 111960), (180, 104496), (189, 99520), (192, 97965), (210, 89568), (216, 87080), (224, 83970), (240, 78372), (252, 74640), (270, 69664), (280, 67176), (288, 65310), (311, 60480), (315, 59712), (320, 58779), (336, 55980), (360, 52248), (378, 49760), (420, 44784), (432, 43540), (448, 41985), (480, 39186), (504, 37320), (540, 34832), (560, 33588), (576, 32655), (622, 30240), (630, 29856), (672, 27990), (720, 26124), (756, 24880), (840, 22392), (864, 21770), (933, 20160), (945, 19904), (960, 19593), (1008, 18660), (1080, 17416), (1120, 16794), (1244, 15120), (1260, 14928), (1344, 13995), (1440, 13062), (1512, 12440), (1555, 12096), (1680, 11196), (1728, 10885), (1866, 10080), (1890, 9952), (2016, 9330), (2160, 8708), (2177, 8640), (2240, 8397), (2488, 7560), (2520, 7464), (2799, 6720), (2880, 6531), (3024, 6220), (3110, 6048), (3360, 5598), (3732, 5040), (3780, 4976), (4032, 4665), (4320, 4354)]