18812640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 74027520

約数和(自身を除く): 55214880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 509, 528, 560, 616, 660, 672, 770, 840, 880, 924, 1018, 1056, 1120, 1155, 1232, 1320, 1527, 1540, 1680, 1760, 1848, 2036, 2310, 2464, 2545, 2640, 3054, 3080, 3360, 3563, 3696, 4072, 4620, 5090, 5280, 5599, 6108, 6160, 7126, 7392, 7635, 8144, 9240, 10180, 10689, 11198, 12216, 12320, 14252, 15270, 16288, 16797, 17815, 18480, 20360, 21378, 22396, 24432, 27995, 28504, 30540, 33594, 35630, 36960, 39193, 40720, 42756, 44792, 48864, 53445, 55990, 57008, 61080, 67188, 71260, 78386, 81440, 83985, 85512, 89584, 106890, 111980, 114016, 117579, 122160, 134376, 142520, 156772, 167970, 171024, 179168, 195965, 213780, 223960, 235158, 244320, 268752, 285040, 313544, 335940, 342048, 391930, 427560, 447920, 470316, 537504, 570080, 587895, 627088, 671880, 783860, 855120, 895840, 940632, 1175790, 1254176, 1343760, 1567720, 1710240, 1881264, 2351580, 2687520, 3135440, 3762528, 4703160, 6270880, 9406320, 18812640]

約数ペア:

[(1, 18812640), (2, 9406320), (3, 6270880), (4, 4703160), (5, 3762528), (6, 3135440), (7, 2687520), (8, 2351580), (10, 1881264), (11, 1710240), (12, 1567720), (14, 1343760), (15, 1254176), (16, 1175790), (20, 940632), (21, 895840), (22, 855120), (24, 783860), (28, 671880), (30, 627088), (32, 587895), (33, 570080), (35, 537504), (40, 470316), (42, 447920), (44, 427560), (48, 391930), (55, 342048), (56, 335940), (60, 313544), (66, 285040), (70, 268752), (77, 244320), (80, 235158), (84, 223960), (88, 213780), (96, 195965), (105, 179168), (110, 171024), (112, 167970), (120, 156772), (132, 142520), (140, 134376), (154, 122160), (160, 117579), (165, 114016), (168, 111980), (176, 106890), (210, 89584), (220, 85512), (224, 83985), (231, 81440), (240, 78386), (264, 71260), (280, 67188), (308, 61080), (330, 57008), (336, 55990), (352, 53445), (385, 48864), (420, 44792), (440, 42756), (462, 40720), (480, 39193), (509, 36960), (528, 35630), (560, 33594), (616, 30540), (660, 28504), (672, 27995), (770, 24432), (840, 22396), (880, 21378), (924, 20360), (1018, 18480), (1056, 17815), (1120, 16797), (1155, 16288), (1232, 15270), (1320, 14252), (1527, 12320), (1540, 12216), (1680, 11198), (1760, 10689), (1848, 10180), (2036, 9240), (2310, 8144), (2464, 7635), (2545, 7392), (2640, 7126), (3054, 6160), (3080, 6108), (3360, 5599), (3563, 5280), (3696, 5090), (4072, 4620)]