640880640

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 416

約数和(自身を含む): 2437641600

約数和(自身を除く): 1796760960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 61, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 122, 128, 135, 144, 152, 160, 171, 180, 183, 190, 192, 216, 228, 240, 244, 256, 270, 285, 288, 304, 305, 320, 342, 360, 366, 380, 384, 432, 456, 480, 488, 512, 513, 540, 549, 570, 576, 608, 610, 640, 684, 720, 732, 760, 768, 855, 864, 912, 915, 960, 976, 1024, 1026, 1080, 1098, 1140, 1152, 1159, 1216, 1220, 1280, 1368, 1440, 1464, 1520, 1536, 1647, 1710, 1728, 1824, 1830, 1920, 1952, 2048, 2052, 2160, 2196, 2280, 2304, 2318, 2432, 2440, 2560, 2565, 2736, 2745, 2880, 2928, 3040, 3072, 3294, 3420, 3456, 3477, 3648, 3660, 3840, 3904, 4096, 4104, 4320, 4392, 4560, 4608, 4636, 4864, 4880, 5120, 5130, 5472, 5490, 5760, 5795, 5856, 6080, 6144, 6588, 6840, 6912, 6954, 7296, 7320, 7680, 7808, 8208, 8235, 8640, 8784, 9120, 9216, 9272, 9728, 9760, 10240, 10260, 10431, 10944, 10980, 11520, 11590, 11712, 12160, 12288, 13176, 13680, 13824, 13908, 14592, 14640, 15360, 15616, 16416, 16470, 17280, 17385, 17568, 18240, 18432, 18544, 19456, 19520, 20480, 20520, 20862, 21888, 21960, 23040, 23180, 23424, 24320, 26352, 27360, 27648, 27816, 29184, 29280, 30720, 31232, 31293, 32832, 32940, 34560, 34770, 35136, 36480, 36864, 37088, 38912, 39040, 41040, 41724, 43776, 43920, 46080, 46360, 46848, 48640, 52155, 52704, 54720, 55296, 55632, 58368, 58560, 61440, 62464, 62586, 65664, 65880, 69120, 69540, 70272, 72960, 74176, 77824, 78080, 82080, 83448, 87552, 87840, 92160, 92720, 93696, 97280, 104310, 105408, 109440, 110592, 111264, 116736, 117120, 124928, 125172, 131328, 131760, 138240, 139080, 140544, 145920, 148352, 156160, 156465, 164160, 166896, 175104, 175680, 184320, 185440, 187392, 194560, 208620, 210816, 218880, 222528, 233472, 234240, 249856, 250344, 262656, 263520, 276480, 278160, 281088, 291840, 296704, 312320, 312930, 328320, 333792, 350208, 351360, 370880, 374784, 389120, 417240, 421632, 437760, 445056, 468480, 500688, 525312, 527040, 552960, 556320, 562176, 583680, 593408, 624640, 625860, 656640, 667584, 700416, 702720, 741760, 749568, 834480, 843264, 875520, 890112, 936960, 1001376, 1050624, 1054080, 1112640, 1124352, 1167360, 1186816, 1249280, 1251720, 1313280, 1335168, 1405440, 1483520, 1668960, 1686528, 1751040, 1780224, 1873920, 2002752, 2101248, 2108160, 2225280, 2248704, 2373632, 2503440, 2626560, 2670336, 2810880, 2967040, 3337920, 3373056, 3502080, 3560448, 3747840, 4005504, 4216320, 4450560, 4747264, 5006880, 5253120, 5340672, 5621760, 5934080, 6675840, 6746112, 7120896, 8011008, 8432640, 8901120, 10013760, 10506240, 10681344, 11243520, 11868160, 13351680, 14241792, 16022016, 16865280, 17802240, 20027520, 21362688, 23736320, 26703360, 32044032, 33730560, 35604480, 40055040, 42725376, 53406720, 64088064, 71208960, 80110080, 106813440, 128176128, 160220160, 213626880, 320440320, 640880640]

約数ペア:

[(1, 640880640), (2, 320440320), (3, 213626880), (4, 160220160), (5, 128176128), (6, 106813440), (8, 80110080), (9, 71208960), (10, 64088064), (12, 53406720), (15, 42725376), (16, 40055040), (18, 35604480), (19, 33730560), (20, 32044032), (24, 26703360), (27, 23736320), (30, 21362688), (32, 20027520), (36, 17802240), (38, 16865280), (40, 16022016), (45, 14241792), (48, 13351680), (54, 11868160), (57, 11243520), (60, 10681344), (61, 10506240), (64, 10013760), (72, 8901120), (76, 8432640), (80, 8011008), (90, 7120896), (95, 6746112), (96, 6675840), (108, 5934080), (114, 5621760), (120, 5340672), (122, 5253120), (128, 5006880), (135, 4747264), (144, 4450560), (152, 4216320), (160, 4005504), (171, 3747840), (180, 3560448), (183, 3502080), (190, 3373056), (192, 3337920), (216, 2967040), (228, 2810880), (240, 2670336), (244, 2626560), (256, 2503440), (270, 2373632), (285, 2248704), (288, 2225280), (304, 2108160), (305, 2101248), (320, 2002752), (342, 1873920), (360, 1780224), (366, 1751040), (380, 1686528), (384, 1668960), (432, 1483520), (456, 1405440), (480, 1335168), (488, 1313280), (512, 1251720), (513, 1249280), (540, 1186816), (549, 1167360), (570, 1124352), (576, 1112640), (608, 1054080), (610, 1050624), (640, 1001376), (684, 936960), (720, 890112), (732, 875520), (760, 843264), (768, 834480), (855, 749568), (864, 741760), (912, 702720), (915, 700416), (960, 667584), (976, 656640), (1024, 625860), (1026, 624640), (1080, 593408), (1098, 583680), (1140, 562176), (1152, 556320), (1159, 552960), (1216, 527040), (1220, 525312), (1280, 500688), (1368, 468480), (1440, 445056), (1464, 437760), (1520, 421632), (1536, 417240), (1647, 389120), (1710, 374784), (1728, 370880), (1824, 351360), (1830, 350208), (1920, 333792), (1952, 328320), (2048, 312930), (2052, 312320), (2160, 296704), (2196, 291840), (2280, 281088), (2304, 278160), (2318, 276480), (2432, 263520), (2440, 262656), (2560, 250344), (2565, 249856), (2736, 234240), (2745, 233472), (2880, 222528), (2928, 218880), (3040, 210816), (3072, 208620), (3294, 194560), (3420, 187392), (3456, 185440), (3477, 184320), (3648, 175680), (3660, 175104), (3840, 166896), (3904, 164160), (4096, 156465), (4104, 156160), (4320, 148352), (4392, 145920), (4560, 140544), (4608, 139080), (4636, 138240), (4864, 131760), (4880, 131328), (5120, 125172), (5130, 124928), (5472, 117120), (5490, 116736), (5760, 111264), (5795, 110592), (5856, 109440), (6080, 105408), (6144, 104310), (6588, 97280), (6840, 93696), (6912, 92720), (6954, 92160), (7296, 87840), (7320, 87552), (7680, 83448), (7808, 82080), (8208, 78080), (8235, 77824), (8640, 74176), (8784, 72960), (9120, 70272), (9216, 69540), (9272, 69120), (9728, 65880), (9760, 65664), (10240, 62586), (10260, 62464), (10431, 61440), (10944, 58560), (10980, 58368), (11520, 55632), (11590, 55296), (11712, 54720), (12160, 52704), (12288, 52155), (13176, 48640), (13680, 46848), (13824, 46360), (13908, 46080), (14592, 43920), (14640, 43776), (15360, 41724), (15616, 41040), (16416, 39040), (16470, 38912), (17280, 37088), (17385, 36864), (17568, 36480), (18240, 35136), (18432, 34770), (18544, 34560), (19456, 32940), (19520, 32832), (20480, 31293), (20520, 31232), (20862, 30720), (21888, 29280), (21960, 29184), (23040, 27816), (23180, 27648), (23424, 27360), (24320, 26352)]