128148720

素因数分解:

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

素因数の和:688

約数の個数: 240

約数和(自身を含む): 490066848

約数和(自身を除く): 361918128

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, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 641, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1176, 1190, 1282, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1923, 1960, 2040, 2352, 2380, 2499, 2564, 2856, 2940, 3205, 3332, 3570, 3846, 3920, 4080, 4165, 4487, 4760, 4998, 5128, 5712, 5880, 6410, 6664, 7140, 7692, 8330, 8974, 9520, 9615, 9996, 10256, 10897, 11760, 12495, 12820, 13328, 13461, 14280, 15384, 16660, 17948, 19230, 19992, 21794, 22435, 24990, 25640, 26922, 28560, 30768, 31409, 32691, 33320, 35896, 38460, 39984, 43588, 44870, 49980, 51280, 53844, 54485, 62818, 65382, 66640, 67305, 71792, 76279, 76920, 87176, 89740, 94227, 99960, 107688, 108970, 125636, 130764, 134610, 152558, 153840, 157045, 163455, 174352, 179480, 188454, 199920, 215376, 217940, 228837, 251272, 261528, 269220, 305116, 314090, 326910, 358960, 376908, 381395, 435880, 457674, 471135, 502544, 523056, 533953, 538440, 610232, 628180, 653820, 753816, 762790, 871760, 915348, 942270, 1067906, 1076880, 1144185, 1220464, 1256360, 1307640, 1507632, 1525580, 1601859, 1830696, 1884540, 2135812, 2288370, 2512720, 2615280, 2669765, 3051160, 3203718, 3661392, 3769080, 4271624, 4576740, 5339530, 6102320, 6407436, 7538160, 8009295, 8543248, 9153480, 10679060, 12814872, 16018590, 18306960, 21358120, 25629744, 32037180, 42716240, 64074360, 128148720]

約数ペア:

[(1, 128148720), (2, 64074360), (3, 42716240), (4, 32037180), (5, 25629744), (6, 21358120), (7, 18306960), (8, 16018590), (10, 12814872), (12, 10679060), (14, 9153480), (15, 8543248), (16, 8009295), (17, 7538160), (20, 6407436), (21, 6102320), (24, 5339530), (28, 4576740), (30, 4271624), (34, 3769080), (35, 3661392), (40, 3203718), (42, 3051160), (48, 2669765), (49, 2615280), (51, 2512720), (56, 2288370), (60, 2135812), (68, 1884540), (70, 1830696), (80, 1601859), (84, 1525580), (85, 1507632), (98, 1307640), (102, 1256360), (105, 1220464), (112, 1144185), (119, 1076880), (120, 1067906), (136, 942270), (140, 915348), (147, 871760), (168, 762790), (170, 753816), (196, 653820), (204, 628180), (210, 610232), (238, 538440), (240, 533953), (245, 523056), (255, 502544), (272, 471135), (280, 457674), (294, 435880), (336, 381395), (340, 376908), (357, 358960), (392, 326910), (408, 314090), (420, 305116), (476, 269220), (490, 261528), (510, 251272), (560, 228837), (588, 217940), (595, 215376), (641, 199920), (680, 188454), (714, 179480), (735, 174352), (784, 163455), (816, 157045), (833, 153840), (840, 152558), (952, 134610), (980, 130764), (1020, 125636), (1176, 108970), (1190, 107688), (1282, 99960), (1360, 94227), (1428, 89740), (1470, 87176), (1666, 76920), (1680, 76279), (1785, 71792), (1904, 67305), (1923, 66640), (1960, 65382), (2040, 62818), (2352, 54485), (2380, 53844), (2499, 51280), (2564, 49980), (2856, 44870), (2940, 43588), (3205, 39984), (3332, 38460), (3570, 35896), (3846, 33320), (3920, 32691), (4080, 31409), (4165, 30768), (4487, 28560), (4760, 26922), (4998, 25640), (5128, 24990), (5712, 22435), (5880, 21794), (6410, 19992), (6664, 19230), (7140, 17948), (7692, 16660), (8330, 15384), (8974, 14280), (9520, 13461), (9615, 13328), (9996, 12820), (10256, 12495), (10897, 11760)]