20174781480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{2663}}^1$

素因数の和:3024

約数の個数: 256

約数和(自身を含む): 71812915200

約数和(自身を除く): 51638133720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 311, 348, 406, 420, 435, 580, 609, 622, 696, 812, 840, 870, 933, 1015, 1160, 1218, 1244, 1555, 1624, 1740, 1866, 2030, 2177, 2436, 2488, 2663, 3045, 3110, 3480, 3732, 4060, 4354, 4665, 4872, 5326, 6090, 6220, 6531, 7464, 7989, 8120, 8708, 9019, 9330, 10652, 10885, 12180, 12440, 13062, 13315, 15978, 17416, 18038, 18641, 18660, 21304, 21770, 24360, 26124, 26630, 27057, 31956, 32655, 36076, 37282, 37320, 39945, 43540, 45095, 52248, 53260, 54114, 55923, 63133, 63912, 65310, 72152, 74564, 77227, 79890, 87080, 90190, 93205, 106520, 108228, 111846, 126266, 130620, 135285, 149128, 154454, 159780, 180380, 186410, 189399, 216456, 223692, 231681, 252532, 261240, 270570, 279615, 308908, 315665, 319560, 360760, 372820, 378798, 386135, 447384, 463362, 505064, 540589, 541140, 559230, 617816, 631330, 745640, 757596, 772270, 828193, 926724, 946995, 1081178, 1082280, 1118460, 1158405, 1262660, 1515192, 1544540, 1621767, 1656386, 1853448, 1893990, 2162356, 2236920, 2316810, 2484579, 2525320, 2702945, 3089080, 3243534, 3312772, 3787980, 4140965, 4324712, 4633620, 4969158, 5405890, 5797351, 6487068, 6625544, 7575960, 8108835, 8281930, 9267240, 9938316, 10811780, 11594702, 12422895, 12974136, 16217670, 16563860, 17392053, 19876632, 21623560, 23189404, 24017597, 24845790, 28986755, 32435340, 33127720, 34784106, 46378808, 48035194, 49691580, 57973510, 64870680, 69568212, 72052791, 86960265, 96070388, 99383160, 115947020, 120087985, 139136424, 144105582, 168123179, 173920530, 192140776, 231894040, 240175970, 288211164, 336246358, 347841060, 360263955, 480351940, 504369537, 576422328, 672492716, 695682120, 720527910, 840615895, 960703880, 1008739074, 1344985432, 1441055820, 1681231790, 2017478148, 2521847685, 2882111640, 3362463580, 4034956296, 5043695370, 6724927160, 10087390740, 20174781480]

約数ペア:

[(1, 20174781480), (2, 10087390740), (3, 6724927160), (4, 5043695370), (5, 4034956296), (6, 3362463580), (7, 2882111640), (8, 2521847685), (10, 2017478148), (12, 1681231790), (14, 1441055820), (15, 1344985432), (20, 1008739074), (21, 960703880), (24, 840615895), (28, 720527910), (29, 695682120), (30, 672492716), (35, 576422328), (40, 504369537), (42, 480351940), (56, 360263955), (58, 347841060), (60, 336246358), (70, 288211164), (84, 240175970), (87, 231894040), (105, 192140776), (116, 173920530), (120, 168123179), (140, 144105582), (145, 139136424), (168, 120087985), (174, 115947020), (203, 99383160), (210, 96070388), (232, 86960265), (280, 72052791), (290, 69568212), (311, 64870680), (348, 57973510), (406, 49691580), (420, 48035194), (435, 46378808), (580, 34784106), (609, 33127720), (622, 32435340), (696, 28986755), (812, 24845790), (840, 24017597), (870, 23189404), (933, 21623560), (1015, 19876632), (1160, 17392053), (1218, 16563860), (1244, 16217670), (1555, 12974136), (1624, 12422895), (1740, 11594702), (1866, 10811780), (2030, 9938316), (2177, 9267240), (2436, 8281930), (2488, 8108835), (2663, 7575960), (3045, 6625544), (3110, 6487068), (3480, 5797351), (3732, 5405890), (4060, 4969158), (4354, 4633620), (4665, 4324712), (4872, 4140965), (5326, 3787980), (6090, 3312772), (6220, 3243534), (6531, 3089080), (7464, 2702945), (7989, 2525320), (8120, 2484579), (8708, 2316810), (9019, 2236920), (9330, 2162356), (10652, 1893990), (10885, 1853448), (12180, 1656386), (12440, 1621767), (13062, 1544540), (13315, 1515192), (15978, 1262660), (17416, 1158405), (18038, 1118460), (18641, 1082280), (18660, 1081178), (21304, 946995), (21770, 926724), (24360, 828193), (26124, 772270), (26630, 757596), (27057, 745640), (31956, 631330), (32655, 617816), (36076, 559230), (37282, 541140), (37320, 540589), (39945, 505064), (43540, 463362), (45095, 447384), (52248, 386135), (53260, 378798), (54114, 372820), (55923, 360760), (63133, 319560), (63912, 315665), (65310, 308908), (72152, 279615), (74564, 270570), (77227, 261240), (79890, 252532), (87080, 231681), (90190, 223692), (93205, 216456), (106520, 189399), (108228, 186410), (111846, 180380), (126266, 159780), (130620, 154454), (135285, 149128)]