18459840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 69640704

約数和(自身を除く): 51180864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 67, 70, 80, 82, 84, 96, 105, 112, 120, 123, 134, 140, 160, 164, 168, 192, 201, 205, 210, 224, 240, 246, 268, 280, 287, 320, 328, 335, 336, 402, 410, 420, 448, 469, 480, 492, 536, 560, 574, 615, 656, 670, 672, 804, 820, 840, 861, 938, 960, 984, 1005, 1072, 1120, 1148, 1230, 1312, 1340, 1344, 1407, 1435, 1608, 1640, 1680, 1722, 1876, 1968, 2010, 2144, 2240, 2296, 2345, 2460, 2624, 2680, 2747, 2814, 2870, 3216, 3280, 3360, 3444, 3752, 3936, 4020, 4288, 4305, 4592, 4690, 4920, 5360, 5494, 5628, 5740, 6432, 6560, 6720, 6888, 7035, 7504, 7872, 8040, 8241, 8610, 9184, 9380, 9840, 10720, 10988, 11256, 11480, 12864, 13120, 13735, 13776, 14070, 15008, 16080, 16482, 17220, 18368, 18760, 19229, 19680, 21440, 21976, 22512, 22960, 27470, 27552, 28140, 30016, 32160, 32964, 34440, 37520, 38458, 39360, 41205, 43952, 45024, 45920, 54940, 55104, 56280, 57687, 64320, 65928, 68880, 75040, 76916, 82410, 87904, 90048, 91840, 96145, 109880, 112560, 115374, 131856, 137760, 150080, 153832, 164820, 175808, 192290, 219760, 225120, 230748, 263712, 275520, 288435, 307664, 329640, 384580, 439520, 450240, 461496, 527424, 576870, 615328, 659280, 769160, 879040, 922992, 1153740, 1230656, 1318560, 1538320, 1845984, 2307480, 2637120, 3076640, 3691968, 4614960, 6153280, 9229920, 18459840]

約数ペア:

[(1, 18459840), (2, 9229920), (3, 6153280), (4, 4614960), (5, 3691968), (6, 3076640), (7, 2637120), (8, 2307480), (10, 1845984), (12, 1538320), (14, 1318560), (15, 1230656), (16, 1153740), (20, 922992), (21, 879040), (24, 769160), (28, 659280), (30, 615328), (32, 576870), (35, 527424), (40, 461496), (41, 450240), (42, 439520), (48, 384580), (56, 329640), (60, 307664), (64, 288435), (67, 275520), (70, 263712), (80, 230748), (82, 225120), (84, 219760), (96, 192290), (105, 175808), (112, 164820), (120, 153832), (123, 150080), (134, 137760), (140, 131856), (160, 115374), (164, 112560), (168, 109880), (192, 96145), (201, 91840), (205, 90048), (210, 87904), (224, 82410), (240, 76916), (246, 75040), (268, 68880), (280, 65928), (287, 64320), (320, 57687), (328, 56280), (335, 55104), (336, 54940), (402, 45920), (410, 45024), (420, 43952), (448, 41205), (469, 39360), (480, 38458), (492, 37520), (536, 34440), (560, 32964), (574, 32160), (615, 30016), (656, 28140), (670, 27552), (672, 27470), (804, 22960), (820, 22512), (840, 21976), (861, 21440), (938, 19680), (960, 19229), (984, 18760), (1005, 18368), (1072, 17220), (1120, 16482), (1148, 16080), (1230, 15008), (1312, 14070), (1340, 13776), (1344, 13735), (1407, 13120), (1435, 12864), (1608, 11480), (1640, 11256), (1680, 10988), (1722, 10720), (1876, 9840), (1968, 9380), (2010, 9184), (2144, 8610), (2240, 8241), (2296, 8040), (2345, 7872), (2460, 7504), (2624, 7035), (2680, 6888), (2747, 6720), (2814, 6560), (2870, 6432), (3216, 5740), (3280, 5628), (3360, 5494), (3444, 5360), (3752, 4920), (3936, 4690), (4020, 4592), (4288, 4305)]