128761920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{2129}}^1$

素因数の和:2162

約数の個数: 224

約数和(自身を含む): 519379200

約数和(自身を除く): 390617280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2129, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4258, 4320, 5040, 6048, 6387, 6720, 7560, 8516, 8640, 10080, 10645, 12096, 12774, 14903, 15120, 17032, 19161, 20160, 21290, 25548, 29806, 30240, 31935, 34064, 38322, 42580, 44709, 51096, 57483, 59612, 60480, 63870, 68128, 74515, 76644, 85160, 89418, 95805, 102192, 114966, 119224, 127740, 134127, 136256, 149030, 153288, 170320, 178836, 191610, 204384, 223545, 229932, 238448, 255480, 268254, 287415, 298060, 306576, 340640, 357672, 383220, 402381, 408768, 447090, 459864, 476896, 510960, 536508, 574830, 596120, 613152, 670635, 681280, 715344, 766440, 804762, 894180, 919728, 953792, 1021920, 1073016, 1149660, 1192240, 1226304, 1341270, 1430688, 1532880, 1609524, 1788360, 1839456, 2011905, 2043840, 2146032, 2299320, 2384480, 2682540, 2861376, 3065760, 3219048, 3576720, 3678912, 4023810, 4292064, 4598640, 4768960, 5365080, 6131520, 6438096, 7153440, 8047620, 8584128, 9197280, 10730160, 12876192, 14306880, 16095240, 18394560, 21460320, 25752384, 32190480, 42920640, 64380960, 128761920]

約数ペア:

[(1, 128761920), (2, 64380960), (3, 42920640), (4, 32190480), (5, 25752384), (6, 21460320), (7, 18394560), (8, 16095240), (9, 14306880), (10, 12876192), (12, 10730160), (14, 9197280), (15, 8584128), (16, 8047620), (18, 7153440), (20, 6438096), (21, 6131520), (24, 5365080), (27, 4768960), (28, 4598640), (30, 4292064), (32, 4023810), (35, 3678912), (36, 3576720), (40, 3219048), (42, 3065760), (45, 2861376), (48, 2682540), (54, 2384480), (56, 2299320), (60, 2146032), (63, 2043840), (64, 2011905), (70, 1839456), (72, 1788360), (80, 1609524), (84, 1532880), (90, 1430688), (96, 1341270), (105, 1226304), (108, 1192240), (112, 1149660), (120, 1073016), (126, 1021920), (135, 953792), (140, 919728), (144, 894180), (160, 804762), (168, 766440), (180, 715344), (189, 681280), (192, 670635), (210, 613152), (216, 596120), (224, 574830), (240, 536508), (252, 510960), (270, 476896), (280, 459864), (288, 447090), (315, 408768), (320, 402381), (336, 383220), (360, 357672), (378, 340640), (420, 306576), (432, 298060), (448, 287415), (480, 268254), (504, 255480), (540, 238448), (560, 229932), (576, 223545), (630, 204384), (672, 191610), (720, 178836), (756, 170320), (840, 153288), (864, 149030), (945, 136256), (960, 134127), (1008, 127740), (1080, 119224), (1120, 114966), (1260, 102192), (1344, 95805), (1440, 89418), (1512, 85160), (1680, 76644), (1728, 74515), (1890, 68128), (2016, 63870), (2129, 60480), (2160, 59612), (2240, 57483), (2520, 51096), (2880, 44709), (3024, 42580), (3360, 38322), (3780, 34064), (4032, 31935), (4258, 30240), (4320, 29806), (5040, 25548), (6048, 21290), (6387, 20160), (6720, 19161), (7560, 17032), (8516, 15120), (8640, 14903), (10080, 12774), (10645, 12096)]