19488068640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21179}}^1$

素因数の和:21277

約数の個数: 240

約数和(自身を含む): 69748620480

約数和(自身を除く): 50260551840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 270, 284, 288, 324, 355, 360, 405, 426, 432, 480, 540, 568, 639, 648, 710, 720, 810, 852, 864, 1065, 1080, 1136, 1278, 1296, 1420, 1440, 1620, 1704, 1917, 2130, 2160, 2272, 2556, 2592, 2840, 3195, 3240, 3408, 3834, 4260, 4320, 5112, 5680, 5751, 6390, 6480, 6816, 7668, 8520, 9585, 10224, 11360, 11502, 12780, 12960, 15336, 17040, 19170, 20448, 21179, 23004, 25560, 28755, 30672, 34080, 38340, 42358, 46008, 51120, 57510, 61344, 63537, 76680, 84716, 92016, 102240, 105895, 115020, 127074, 153360, 169432, 184032, 190611, 211790, 230040, 254148, 306720, 317685, 338864, 381222, 423580, 460080, 508296, 571833, 635370, 677728, 762444, 847160, 920160, 953055, 1016592, 1143666, 1270740, 1503709, 1524888, 1694320, 1715499, 1906110, 2033184, 2287332, 2541480, 2859165, 3007418, 3049776, 3388640, 3430998, 3812220, 4511127, 4574664, 5082960, 5718330, 6014836, 6099552, 6861996, 7518545, 7624440, 8577495, 9022254, 9149328, 10165920, 11436660, 12029672, 13533381, 13723992, 15037090, 15248880, 17154990, 18044508, 18298656, 22555635, 22873320, 24059344, 27066762, 27447984, 30074180, 30497760, 34309980, 36089016, 40600143, 45111270, 45746640, 48118688, 54133524, 54895968, 60148360, 67666905, 68619960, 72178032, 81200286, 90222540, 91493280, 108267048, 120296720, 121800429, 135333810, 137239920, 144356064, 162400572, 180445080, 203000715, 216534096, 240593440, 243600858, 270667620, 274479840, 324801144, 360890160, 406001430, 433068192, 487201716, 541335240, 609002145, 649602288, 721780320, 812002860, 974403432, 1082670480, 1218004290, 1299204576, 1624005720, 1948806864, 2165340960, 2436008580, 3248011440, 3897613728, 4872017160, 6496022880, 9744034320, 19488068640]

約数ペア:

[(1, 19488068640), (2, 9744034320), (3, 6496022880), (4, 4872017160), (5, 3897613728), (6, 3248011440), (8, 2436008580), (9, 2165340960), (10, 1948806864), (12, 1624005720), (15, 1299204576), (16, 1218004290), (18, 1082670480), (20, 974403432), (24, 812002860), (27, 721780320), (30, 649602288), (32, 609002145), (36, 541335240), (40, 487201716), (45, 433068192), (48, 406001430), (54, 360890160), (60, 324801144), (71, 274479840), (72, 270667620), (80, 243600858), (81, 240593440), (90, 216534096), (96, 203000715), (108, 180445080), (120, 162400572), (135, 144356064), (142, 137239920), (144, 135333810), (160, 121800429), (162, 120296720), (180, 108267048), (213, 91493280), (216, 90222540), (240, 81200286), (270, 72178032), (284, 68619960), (288, 67666905), (324, 60148360), (355, 54895968), (360, 54133524), (405, 48118688), (426, 45746640), (432, 45111270), (480, 40600143), (540, 36089016), (568, 34309980), (639, 30497760), (648, 30074180), (710, 27447984), (720, 27066762), (810, 24059344), (852, 22873320), (864, 22555635), (1065, 18298656), (1080, 18044508), (1136, 17154990), (1278, 15248880), (1296, 15037090), (1420, 13723992), (1440, 13533381), (1620, 12029672), (1704, 11436660), (1917, 10165920), (2130, 9149328), (2160, 9022254), (2272, 8577495), (2556, 7624440), (2592, 7518545), (2840, 6861996), (3195, 6099552), (3240, 6014836), (3408, 5718330), (3834, 5082960), (4260, 4574664), (4320, 4511127), (5112, 3812220), (5680, 3430998), (5751, 3388640), (6390, 3049776), (6480, 3007418), (6816, 2859165), (7668, 2541480), (8520, 2287332), (9585, 2033184), (10224, 1906110), (11360, 1715499), (11502, 1694320), (12780, 1524888), (12960, 1503709), (15336, 1270740), (17040, 1143666), (19170, 1016592), (20448, 953055), (21179, 920160), (23004, 847160), (25560, 762444), (28755, 677728), (30672, 635370), (34080, 571833), (38340, 508296), (42358, 460080), (46008, 423580), (51120, 381222), (57510, 338864), (61344, 317685), (63537, 306720), (76680, 254148), (84716, 230040), (92016, 211790), (102240, 190611), (105895, 184032), (115020, 169432), (127074, 153360)]