1971486720

素因数分解:

$2^{15}\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 384

約数和(自身を含む): 7851617280

約数和(自身を除く): 5880130560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 191, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 382, 384, 420, 448, 480, 504, 512, 560, 573, 576, 630, 640, 672, 720, 764, 768, 840, 896, 955, 960, 1008, 1024, 1120, 1146, 1152, 1260, 1280, 1337, 1344, 1440, 1528, 1536, 1680, 1719, 1792, 1910, 1920, 2016, 2048, 2240, 2292, 2304, 2520, 2560, 2674, 2688, 2865, 2880, 3056, 3072, 3360, 3438, 3584, 3820, 3840, 4011, 4032, 4096, 4480, 4584, 4608, 5040, 5120, 5348, 5376, 5730, 5760, 6112, 6144, 6685, 6720, 6876, 7168, 7640, 7680, 8022, 8064, 8192, 8595, 8960, 9168, 9216, 10080, 10240, 10696, 10752, 11460, 11520, 12033, 12224, 12288, 13370, 13440, 13752, 14336, 15280, 15360, 16044, 16128, 16384, 17190, 17920, 18336, 18432, 20055, 20160, 20480, 21392, 21504, 22920, 23040, 24066, 24448, 24576, 26740, 26880, 27504, 28672, 30560, 30720, 32088, 32256, 32768, 34380, 35840, 36672, 36864, 40110, 40320, 40960, 42784, 43008, 45840, 46080, 48132, 48896, 49152, 53480, 53760, 55008, 57344, 60165, 61120, 61440, 64176, 64512, 68760, 71680, 73344, 73728, 80220, 80640, 81920, 85568, 86016, 91680, 92160, 96264, 97792, 98304, 106960, 107520, 110016, 114688, 120330, 122240, 122880, 128352, 129024, 137520, 143360, 146688, 147456, 160440, 161280, 163840, 171136, 172032, 183360, 184320, 192528, 195584, 213920, 215040, 220032, 229376, 240660, 244480, 245760, 256704, 258048, 275040, 286720, 293376, 294912, 320880, 322560, 342272, 344064, 366720, 368640, 385056, 391168, 427840, 430080, 440064, 481320, 488960, 491520, 513408, 516096, 550080, 573440, 586752, 641760, 645120, 684544, 688128, 733440, 737280, 770112, 782336, 855680, 860160, 880128, 962640, 977920, 1026816, 1032192, 1100160, 1146880, 1173504, 1283520, 1290240, 1369088, 1466880, 1474560, 1540224, 1564672, 1711360, 1720320, 1760256, 1925280, 1955840, 2053632, 2064384, 2200320, 2347008, 2567040, 2580480, 2738176, 2933760, 3080448, 3129344, 3422720, 3440640, 3520512, 3850560, 3911680, 4107264, 4400640, 4694016, 5134080, 5160960, 5476352, 5867520, 6160896, 6258688, 6845440, 7041024, 7701120, 7823360, 8214528, 8801280, 9388032, 10268160, 10321920, 10952704, 11735040, 12321792, 13690880, 14082048, 15402240, 15646720, 16429056, 17602560, 18776064, 20536320, 21905408, 23470080, 24643584, 27381760, 28164096, 30804480, 31293440, 32858112, 35205120, 41072640, 43810816, 46940160, 49287168, 54763520, 56328192, 61608960, 65716224, 70410240, 82145280, 93880320, 98574336, 109527040, 123217920, 131432448, 140820480, 164290560, 197148672, 219054080, 246435840, 281640960, 328581120, 394297344, 492871680, 657162240, 985743360, 1971486720]

約数ペア:

[(1, 1971486720), (2, 985743360), (3, 657162240), (4, 492871680), (5, 394297344), (6, 328581120), (7, 281640960), (8, 246435840), (9, 219054080), (10, 197148672), (12, 164290560), (14, 140820480), (15, 131432448), (16, 123217920), (18, 109527040), (20, 98574336), (21, 93880320), (24, 82145280), (28, 70410240), (30, 65716224), (32, 61608960), (35, 56328192), (36, 54763520), (40, 49287168), (42, 46940160), (45, 43810816), (48, 41072640), (56, 35205120), (60, 32858112), (63, 31293440), (64, 30804480), (70, 28164096), (72, 27381760), (80, 24643584), (84, 23470080), (90, 21905408), (96, 20536320), (105, 18776064), (112, 17602560), (120, 16429056), (126, 15646720), (128, 15402240), (140, 14082048), (144, 13690880), (160, 12321792), (168, 11735040), (180, 10952704), (191, 10321920), (192, 10268160), (210, 9388032), (224, 8801280), (240, 8214528), (252, 7823360), (256, 7701120), (280, 7041024), (288, 6845440), (315, 6258688), (320, 6160896), (336, 5867520), (360, 5476352), (382, 5160960), (384, 5134080), (420, 4694016), (448, 4400640), (480, 4107264), (504, 3911680), (512, 3850560), (560, 3520512), (573, 3440640), (576, 3422720), (630, 3129344), (640, 3080448), (672, 2933760), (720, 2738176), (764, 2580480), (768, 2567040), (840, 2347008), (896, 2200320), (955, 2064384), (960, 2053632), (1008, 1955840), (1024, 1925280), (1120, 1760256), (1146, 1720320), (1152, 1711360), (1260, 1564672), (1280, 1540224), (1337, 1474560), (1344, 1466880), (1440, 1369088), (1528, 1290240), (1536, 1283520), (1680, 1173504), (1719, 1146880), (1792, 1100160), (1910, 1032192), (1920, 1026816), (2016, 977920), (2048, 962640), (2240, 880128), (2292, 860160), (2304, 855680), (2520, 782336), (2560, 770112), (2674, 737280), (2688, 733440), (2865, 688128), (2880, 684544), (3056, 645120), (3072, 641760), (3360, 586752), (3438, 573440), (3584, 550080), (3820, 516096), (3840, 513408), (4011, 491520), (4032, 488960), (4096, 481320), (4480, 440064), (4584, 430080), (4608, 427840), (5040, 391168), (5120, 385056), (5348, 368640), (5376, 366720), (5730, 344064), (5760, 342272), (6112, 322560), (6144, 320880), (6685, 294912), (6720, 293376), (6876, 286720), (7168, 275040), (7640, 258048), (7680, 256704), (8022, 245760), (8064, 244480), (8192, 240660), (8595, 229376), (8960, 220032), (9168, 215040), (9216, 213920), (10080, 195584), (10240, 192528), (10696, 184320), (10752, 183360), (11460, 172032), (11520, 171136), (12033, 163840), (12224, 161280), (12288, 160440), (13370, 147456), (13440, 146688), (13752, 143360), (14336, 137520), (15280, 129024), (15360, 128352), (16044, 122880), (16128, 122240), (16384, 120330), (17190, 114688), (17920, 110016), (18336, 107520), (18432, 106960), (20055, 98304), (20160, 97792), (20480, 96264), (21392, 92160), (21504, 91680), (22920, 86016), (23040, 85568), (24066, 81920), (24448, 80640), (24576, 80220), (26740, 73728), (26880, 73344), (27504, 71680), (28672, 68760), (30560, 64512), (30720, 64176), (32088, 61440), (32256, 61120), (32768, 60165), (34380, 57344), (35840, 55008), (36672, 53760), (36864, 53480), (40110, 49152), (40320, 48896), (40960, 48132), (42784, 46080), (43008, 45840)]