319988880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 400

約数和(自身を含む): 1231528320

約数和(自身を除く): 911539440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 27, 30, 36, 38, 40, 45, 46, 48, 54, 57, 60, 69, 72, 76, 80, 81, 90, 92, 95, 108, 113, 114, 115, 120, 135, 138, 144, 152, 162, 171, 180, 184, 190, 207, 216, 226, 228, 230, 240, 270, 276, 285, 304, 324, 339, 342, 345, 360, 368, 380, 405, 414, 432, 437, 452, 456, 460, 513, 540, 552, 565, 570, 621, 648, 678, 684, 690, 720, 760, 810, 828, 855, 874, 904, 912, 920, 1017, 1026, 1035, 1080, 1104, 1130, 1140, 1242, 1296, 1311, 1356, 1368, 1380, 1520, 1539, 1620, 1656, 1695, 1710, 1748, 1808, 1840, 1863, 2034, 2052, 2070, 2147, 2160, 2185, 2260, 2280, 2484, 2565, 2599, 2622, 2712, 2736, 2760, 3051, 3078, 3105, 3240, 3312, 3390, 3420, 3496, 3726, 3933, 4068, 4104, 4140, 4294, 4370, 4520, 4560, 4968, 5085, 5130, 5198, 5244, 5424, 5520, 6102, 6156, 6210, 6441, 6480, 6555, 6780, 6840, 6992, 7452, 7695, 7797, 7866, 8136, 8208, 8280, 8588, 8740, 9040, 9153, 9315, 9936, 10170, 10260, 10396, 10488, 10735, 11799, 12204, 12312, 12420, 12882, 12995, 13110, 13560, 13680, 14904, 15255, 15390, 15594, 15732, 16272, 16560, 17176, 17480, 18306, 18630, 19323, 19665, 20340, 20520, 20792, 20976, 21470, 23391, 23598, 24408, 24624, 24840, 25764, 25990, 26220, 27120, 29808, 30510, 30780, 31188, 31464, 32205, 34352, 34960, 35397, 36612, 37260, 38646, 38985, 39330, 40680, 41040, 41584, 42940, 45765, 46782, 47196, 48816, 49381, 49680, 51528, 51980, 52440, 57969, 58995, 61020, 61560, 62376, 62928, 64410, 70173, 70794, 73224, 74520, 77292, 77970, 78660, 81360, 85880, 91530, 93564, 94392, 96615, 98762, 103056, 103960, 104880, 115938, 116955, 117990, 122040, 123120, 124752, 128820, 140346, 141588, 146448, 148143, 149040, 154584, 155940, 157320, 171760, 173907, 176985, 183060, 187128, 188784, 193230, 197524, 207920, 210519, 231876, 233910, 235980, 244080, 246905, 257640, 280692, 283176, 289845, 296286, 309168, 311880, 314640, 347814, 350865, 353970, 366120, 374256, 386460, 395048, 421038, 444429, 463752, 467820, 471960, 493810, 515280, 561384, 566352, 579690, 592572, 623760, 695628, 701730, 707940, 732240, 740715, 772920, 790096, 842076, 869535, 888858, 927504, 935640, 943920, 987620, 1052595, 1122768, 1159380, 1185144, 1333287, 1391256, 1403460, 1415880, 1481430, 1545840, 1684152, 1739070, 1777716, 1871280, 1975240, 2105190, 2222145, 2318760, 2370288, 2666574, 2782512, 2806920, 2831760, 2962860, 3368304, 3478140, 3555432, 3950480, 3999861, 4210380, 4444290, 4637520, 5333148, 5613840, 5925720, 6666435, 6956280, 7110864, 7999722, 8420760, 8888580, 10666296, 11851440, 13332870, 13912560, 15999444, 16841520, 17777160, 19999305, 21332592, 26665740, 31998888, 35554320, 39998610, 53331480, 63997776, 79997220, 106662960, 159994440, 319988880]

約数ペア:

[(1, 319988880), (2, 159994440), (3, 106662960), (4, 79997220), (5, 63997776), (6, 53331480), (8, 39998610), (9, 35554320), (10, 31998888), (12, 26665740), (15, 21332592), (16, 19999305), (18, 17777160), (19, 16841520), (20, 15999444), (23, 13912560), (24, 13332870), (27, 11851440), (30, 10666296), (36, 8888580), (38, 8420760), (40, 7999722), (45, 7110864), (46, 6956280), (48, 6666435), (54, 5925720), (57, 5613840), (60, 5333148), (69, 4637520), (72, 4444290), (76, 4210380), (80, 3999861), (81, 3950480), (90, 3555432), (92, 3478140), (95, 3368304), (108, 2962860), (113, 2831760), (114, 2806920), (115, 2782512), (120, 2666574), (135, 2370288), (138, 2318760), (144, 2222145), (152, 2105190), (162, 1975240), (171, 1871280), (180, 1777716), (184, 1739070), (190, 1684152), (207, 1545840), (216, 1481430), (226, 1415880), (228, 1403460), (230, 1391256), (240, 1333287), (270, 1185144), (276, 1159380), (285, 1122768), (304, 1052595), (324, 987620), (339, 943920), (342, 935640), (345, 927504), (360, 888858), (368, 869535), (380, 842076), (405, 790096), (414, 772920), (432, 740715), (437, 732240), (452, 707940), (456, 701730), (460, 695628), (513, 623760), (540, 592572), (552, 579690), (565, 566352), (570, 561384), (621, 515280), (648, 493810), (678, 471960), (684, 467820), (690, 463752), (720, 444429), (760, 421038), (810, 395048), (828, 386460), (855, 374256), (874, 366120), (904, 353970), (912, 350865), (920, 347814), (1017, 314640), (1026, 311880), (1035, 309168), (1080, 296286), (1104, 289845), (1130, 283176), (1140, 280692), (1242, 257640), (1296, 246905), (1311, 244080), (1356, 235980), (1368, 233910), (1380, 231876), (1520, 210519), (1539, 207920), (1620, 197524), (1656, 193230), (1695, 188784), (1710, 187128), (1748, 183060), (1808, 176985), (1840, 173907), (1863, 171760), (2034, 157320), (2052, 155940), (2070, 154584), (2147, 149040), (2160, 148143), (2185, 146448), (2260, 141588), (2280, 140346), (2484, 128820), (2565, 124752), (2599, 123120), (2622, 122040), (2712, 117990), (2736, 116955), (2760, 115938), (3051, 104880), (3078, 103960), (3105, 103056), (3240, 98762), (3312, 96615), (3390, 94392), (3420, 93564), (3496, 91530), (3726, 85880), (3933, 81360), (4068, 78660), (4104, 77970), (4140, 77292), (4294, 74520), (4370, 73224), (4520, 70794), (4560, 70173), (4968, 64410), (5085, 62928), (5130, 62376), (5198, 61560), (5244, 61020), (5424, 58995), (5520, 57969), (6102, 52440), (6156, 51980), (6210, 51528), (6441, 49680), (6480, 49381), (6555, 48816), (6780, 47196), (6840, 46782), (6992, 45765), (7452, 42940), (7695, 41584), (7797, 41040), (7866, 40680), (8136, 39330), (8208, 38985), (8280, 38646), (8588, 37260), (8740, 36612), (9040, 35397), (9153, 34960), (9315, 34352), (9936, 32205), (10170, 31464), (10260, 31188), (10396, 30780), (10488, 30510), (10735, 29808), (11799, 27120), (12204, 26220), (12312, 25990), (12420, 25764), (12882, 24840), (12995, 24624), (13110, 24408), (13560, 23598), (13680, 23391), (14904, 21470), (15255, 20976), (15390, 20792), (15594, 20520), (15732, 20340), (16272, 19665), (16560, 19323), (17176, 18630), (17480, 18306)]