161281120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 384

約数和(自身を含む): 548674560

約数和(自身を除く): 387393440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 19, 20, 22, 26, 28, 32, 35, 38, 40, 44, 52, 53, 55, 56, 65, 70, 76, 77, 80, 88, 91, 95, 104, 106, 110, 112, 130, 133, 140, 143, 152, 154, 160, 176, 182, 190, 208, 209, 212, 220, 224, 247, 260, 265, 266, 280, 286, 304, 308, 352, 364, 371, 380, 385, 416, 418, 424, 440, 455, 494, 520, 530, 532, 560, 572, 583, 608, 616, 665, 689, 715, 728, 742, 760, 770, 836, 848, 880, 910, 988, 1001, 1007, 1040, 1045, 1060, 1064, 1120, 1144, 1166, 1232, 1235, 1330, 1378, 1430, 1456, 1463, 1484, 1520, 1540, 1672, 1696, 1729, 1760, 1820, 1855, 1976, 2002, 2014, 2080, 2090, 2120, 2128, 2288, 2332, 2464, 2470, 2660, 2717, 2756, 2860, 2912, 2915, 2926, 2968, 3040, 3080, 3344, 3445, 3458, 3640, 3710, 3952, 4004, 4028, 4081, 4180, 4240, 4256, 4576, 4664, 4823, 4940, 5005, 5035, 5320, 5434, 5512, 5720, 5830, 5852, 5936, 6160, 6688, 6890, 6916, 7049, 7280, 7315, 7420, 7579, 7904, 8008, 8056, 8162, 8360, 8480, 8645, 9328, 9646, 9880, 10010, 10070, 10640, 10868, 11024, 11077, 11440, 11660, 11704, 11872, 12320, 13091, 13585, 13780, 13832, 14098, 14560, 14630, 14840, 15158, 16016, 16112, 16324, 16720, 17290, 18656, 19019, 19292, 19760, 20020, 20140, 20405, 21280, 21736, 22048, 22154, 22880, 23320, 23408, 24115, 26182, 27170, 27560, 27664, 28196, 29260, 29680, 30316, 32032, 32224, 32648, 33440, 34580, 35245, 37895, 38038, 38584, 39520, 40040, 40280, 40810, 43472, 44308, 46640, 46816, 48230, 52364, 53053, 54340, 55120, 55328, 55385, 56392, 58520, 59360, 60632, 65296, 65455, 69160, 70490, 75790, 76076, 77168, 77539, 80080, 80560, 81620, 86944, 88616, 91637, 93280, 95095, 96460, 104728, 106106, 108680, 110240, 110770, 112784, 117040, 121264, 130592, 130910, 138320, 140980, 144001, 151580, 152152, 154336, 155078, 160160, 161120, 163240, 177232, 183274, 190190, 192920, 209456, 212212, 217360, 221540, 225568, 234080, 242528, 261820, 265265, 276640, 281960, 288002, 303160, 304304, 310156, 326480, 354464, 366548, 380380, 385840, 387695, 418912, 424424, 434720, 443080, 458185, 523640, 530530, 563920, 576004, 606320, 608608, 620312, 652960, 720005, 733096, 760760, 771680, 775390, 848848, 886160, 916370, 1008007, 1047280, 1061060, 1127840, 1152008, 1212640, 1240624, 1440010, 1466192, 1521520, 1550780, 1697696, 1772320, 1832740, 2016014, 2094560, 2122120, 2304016, 2481248, 2880020, 2932384, 3043040, 3101560, 3665480, 4032028, 4244240, 4608032, 5040035, 5760040, 6203120, 7330960, 8064056, 8488480, 10080070, 11520080, 12406240, 14661920, 16128112, 20160140, 23040160, 32256224, 40320280, 80640560, 161281120]

約数ペア:

[(1, 161281120), (2, 80640560), (4, 40320280), (5, 32256224), (7, 23040160), (8, 20160140), (10, 16128112), (11, 14661920), (13, 12406240), (14, 11520080), (16, 10080070), (19, 8488480), (20, 8064056), (22, 7330960), (26, 6203120), (28, 5760040), (32, 5040035), (35, 4608032), (38, 4244240), (40, 4032028), (44, 3665480), (52, 3101560), (53, 3043040), (55, 2932384), (56, 2880020), (65, 2481248), (70, 2304016), (76, 2122120), (77, 2094560), (80, 2016014), (88, 1832740), (91, 1772320), (95, 1697696), (104, 1550780), (106, 1521520), (110, 1466192), (112, 1440010), (130, 1240624), (133, 1212640), (140, 1152008), (143, 1127840), (152, 1061060), (154, 1047280), (160, 1008007), (176, 916370), (182, 886160), (190, 848848), (208, 775390), (209, 771680), (212, 760760), (220, 733096), (224, 720005), (247, 652960), (260, 620312), (265, 608608), (266, 606320), (280, 576004), (286, 563920), (304, 530530), (308, 523640), (352, 458185), (364, 443080), (371, 434720), (380, 424424), (385, 418912), (416, 387695), (418, 385840), (424, 380380), (440, 366548), (455, 354464), (494, 326480), (520, 310156), (530, 304304), (532, 303160), (560, 288002), (572, 281960), (583, 276640), (608, 265265), (616, 261820), (665, 242528), (689, 234080), (715, 225568), (728, 221540), (742, 217360), (760, 212212), (770, 209456), (836, 192920), (848, 190190), (880, 183274), (910, 177232), (988, 163240), (1001, 161120), (1007, 160160), (1040, 155078), (1045, 154336), (1060, 152152), (1064, 151580), (1120, 144001), (1144, 140980), (1166, 138320), (1232, 130910), (1235, 130592), (1330, 121264), (1378, 117040), (1430, 112784), (1456, 110770), (1463, 110240), (1484, 108680), (1520, 106106), (1540, 104728), (1672, 96460), (1696, 95095), (1729, 93280), (1760, 91637), (1820, 88616), (1855, 86944), (1976, 81620), (2002, 80560), (2014, 80080), (2080, 77539), (2090, 77168), (2120, 76076), (2128, 75790), (2288, 70490), (2332, 69160), (2464, 65455), (2470, 65296), (2660, 60632), (2717, 59360), (2756, 58520), (2860, 56392), (2912, 55385), (2915, 55328), (2926, 55120), (2968, 54340), (3040, 53053), (3080, 52364), (3344, 48230), (3445, 46816), (3458, 46640), (3640, 44308), (3710, 43472), (3952, 40810), (4004, 40280), (4028, 40040), (4081, 39520), (4180, 38584), (4240, 38038), (4256, 37895), (4576, 35245), (4664, 34580), (4823, 33440), (4940, 32648), (5005, 32224), (5035, 32032), (5320, 30316), (5434, 29680), (5512, 29260), (5720, 28196), (5830, 27664), (5852, 27560), (5936, 27170), (6160, 26182), (6688, 24115), (6890, 23408), (6916, 23320), (7049, 22880), (7280, 22154), (7315, 22048), (7420, 21736), (7579, 21280), (7904, 20405), (8008, 20140), (8056, 20020), (8162, 19760), (8360, 19292), (8480, 19019), (8645, 18656), (9328, 17290), (9646, 16720), (9880, 16324), (10010, 16112), (10070, 16016), (10640, 15158), (10868, 14840), (11024, 14630), (11077, 14560), (11440, 14098), (11660, 13832), (11704, 13780), (11872, 13585), (12320, 13091)]