646352640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2999

約数の個数: 216

約数和(自身を含む): 2354810640

約数和(自身を除く): 1708458000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2736, 2880, 2953, 3040, 3420, 3648, 3840, 4560, 4864, 5472, 5760, 5906, 6080, 6840, 7296, 8859, 9120, 10944, 11520, 11812, 12160, 13680, 14592, 14765, 17718, 18240, 21888, 23624, 24320, 26577, 27360, 29530, 35436, 36480, 43776, 44295, 47248, 53154, 54720, 56107, 59060, 70872, 72960, 88590, 94496, 106308, 109440, 112214, 118120, 132885, 141744, 168321, 177180, 188992, 212616, 218880, 224428, 236240, 265770, 280535, 283488, 336642, 354360, 377984, 425232, 448856, 472480, 504963, 531540, 561070, 566976, 673284, 708720, 755968, 841605, 850464, 897712, 944960, 1009926, 1063080, 1122140, 1133952, 1346568, 1417440, 1683210, 1700928, 1795424, 1889920, 2019852, 2126160, 2244280, 2267904, 2524815, 2693136, 2834880, 3366420, 3401856, 3590848, 3779840, 4039704, 4252320, 4488560, 5049630, 5386272, 5669760, 6732840, 6803712, 7181696, 8079408, 8504640, 8977120, 10099260, 10772544, 11339520, 13465680, 14363392, 16158816, 17009280, 17954240, 20198520, 21545088, 26931360, 32317632, 34018560, 35908480, 40397040, 43090176, 53862720, 64635264, 71816960, 80794080, 107725440, 129270528, 161588160, 215450880, 323176320, 646352640]

約数ペア:

[(1, 646352640), (2, 323176320), (3, 215450880), (4, 161588160), (5, 129270528), (6, 107725440), (8, 80794080), (9, 71816960), (10, 64635264), (12, 53862720), (15, 43090176), (16, 40397040), (18, 35908480), (19, 34018560), (20, 32317632), (24, 26931360), (30, 21545088), (32, 20198520), (36, 17954240), (38, 17009280), (40, 16158816), (45, 14363392), (48, 13465680), (57, 11339520), (60, 10772544), (64, 10099260), (72, 8977120), (76, 8504640), (80, 8079408), (90, 7181696), (95, 6803712), (96, 6732840), (114, 5669760), (120, 5386272), (128, 5049630), (144, 4488560), (152, 4252320), (160, 4039704), (171, 3779840), (180, 3590848), (190, 3401856), (192, 3366420), (228, 2834880), (240, 2693136), (256, 2524815), (285, 2267904), (288, 2244280), (304, 2126160), (320, 2019852), (342, 1889920), (360, 1795424), (380, 1700928), (384, 1683210), (456, 1417440), (480, 1346568), (570, 1133952), (576, 1122140), (608, 1063080), (640, 1009926), (684, 944960), (720, 897712), (760, 850464), (768, 841605), (855, 755968), (912, 708720), (960, 673284), (1140, 566976), (1152, 561070), (1216, 531540), (1280, 504963), (1368, 472480), (1440, 448856), (1520, 425232), (1710, 377984), (1824, 354360), (1920, 336642), (2280, 283488), (2304, 280535), (2432, 265770), (2736, 236240), (2880, 224428), (2953, 218880), (3040, 212616), (3420, 188992), (3648, 177180), (3840, 168321), (4560, 141744), (4864, 132885), (5472, 118120), (5760, 112214), (5906, 109440), (6080, 106308), (6840, 94496), (7296, 88590), (8859, 72960), (9120, 70872), (10944, 59060), (11520, 56107), (11812, 54720), (12160, 53154), (13680, 47248), (14592, 44295), (14765, 43776), (17718, 36480), (18240, 35436), (21888, 29530), (23624, 27360), (24320, 26577)]