18306960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 68781312

約数和(自身を除く): 50474352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 641, 680, 714, 816, 840, 952, 1020, 1190, 1282, 1360, 1428, 1680, 1785, 1904, 1923, 2040, 2380, 2564, 2856, 3205, 3570, 3846, 4080, 4487, 4760, 5128, 5712, 6410, 7140, 7692, 8974, 9520, 9615, 10256, 10897, 12820, 13461, 14280, 15384, 17948, 19230, 21794, 22435, 25640, 26922, 28560, 30768, 32691, 35896, 38460, 43588, 44870, 51280, 53844, 54485, 65382, 67305, 71792, 76279, 76920, 87176, 89740, 107688, 108970, 130764, 134610, 152558, 153840, 163455, 174352, 179480, 215376, 217940, 228837, 261528, 269220, 305116, 326910, 358960, 381395, 435880, 457674, 523056, 538440, 610232, 653820, 762790, 871760, 915348, 1076880, 1144185, 1220464, 1307640, 1525580, 1830696, 2288370, 2615280, 3051160, 3661392, 4576740, 6102320, 9153480, 18306960]

約数ペア:

[(1, 18306960), (2, 9153480), (3, 6102320), (4, 4576740), (5, 3661392), (6, 3051160), (7, 2615280), (8, 2288370), (10, 1830696), (12, 1525580), (14, 1307640), (15, 1220464), (16, 1144185), (17, 1076880), (20, 915348), (21, 871760), (24, 762790), (28, 653820), (30, 610232), (34, 538440), (35, 523056), (40, 457674), (42, 435880), (48, 381395), (51, 358960), (56, 326910), (60, 305116), (68, 269220), (70, 261528), (80, 228837), (84, 217940), (85, 215376), (102, 179480), (105, 174352), (112, 163455), (119, 153840), (120, 152558), (136, 134610), (140, 130764), (168, 108970), (170, 107688), (204, 89740), (210, 87176), (238, 76920), (240, 76279), (255, 71792), (272, 67305), (280, 65382), (336, 54485), (340, 53844), (357, 51280), (408, 44870), (420, 43588), (476, 38460), (510, 35896), (560, 32691), (595, 30768), (641, 28560), (680, 26922), (714, 25640), (816, 22435), (840, 21794), (952, 19230), (1020, 17948), (1190, 15384), (1282, 14280), (1360, 13461), (1428, 12820), (1680, 10897), (1785, 10256), (1904, 9615), (1923, 9520), (2040, 8974), (2380, 7692), (2564, 7140), (2856, 6410), (3205, 5712), (3570, 5128), (3846, 4760), (4080, 4487)]