20180628720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{174091}}^1$

素因数の和:174140

約数の個数: 240

約数和(自身を含む): 80823255552

約数和(自身を除く): 60642626832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 5040, 5520, 5796, 6440, 7245, 7728, 8280, 9660, 11592, 12880, 14490, 16560, 19320, 23184, 28980, 38640, 57960, 115920, 174091, 348182, 522273, 696364, 870455, 1044546, 1218637, 1392728, 1566819, 1740910, 2089092, 2437274, 2611365, 2785456, 3133638, 3481820, 3655911, 4004093, 4178184, 4874548, 5222730, 6093185, 6267276, 6963640, 7311822, 7834095, 8008186, 8356368, 9749096, 10445460, 10967733, 12012279, 12186370, 12534552, 13927280, 14623644, 15668190, 16016372, 18279555, 19498192, 20020465, 20890920, 21935466, 24024558, 24372740, 25069104, 28028651, 29247288, 31336380, 32032744, 36036837, 36559110, 40040930, 41781840, 43870932, 48049116, 48745480, 54838665, 56057302, 58494576, 60061395, 62672760, 64065488, 72073674, 73118220, 80081860, 84085953, 87741864, 96098232, 97490960, 109677330, 112114604, 120122790, 125345520, 140143255, 144147348, 146236440, 160163720, 168171906, 175483728, 180184185, 192196464, 219354660, 224229208, 240245580, 252257859, 280286510, 288294696, 292472880, 320327440, 336343812, 360368370, 420429765, 438709320, 448458416, 480491160, 504515718, 560573020, 576589392, 672687624, 720736740, 840859530, 877418640, 960982320, 1009031436, 1121146040, 1261289295, 1345375248, 1441473480, 1681719060, 2018062872, 2242292080, 2522578590, 2882946960, 3363438120, 4036125744, 5045157180, 6726876240, 10090314360, 20180628720]

約数ペア:

[(1, 20180628720), (2, 10090314360), (3, 6726876240), (4, 5045157180), (5, 4036125744), (6, 3363438120), (7, 2882946960), (8, 2522578590), (9, 2242292080), (10, 2018062872), (12, 1681719060), (14, 1441473480), (15, 1345375248), (16, 1261289295), (18, 1121146040), (20, 1009031436), (21, 960982320), (23, 877418640), (24, 840859530), (28, 720736740), (30, 672687624), (35, 576589392), (36, 560573020), (40, 504515718), (42, 480491160), (45, 448458416), (46, 438709320), (48, 420429765), (56, 360368370), (60, 336343812), (63, 320327440), (69, 292472880), (70, 288294696), (72, 280286510), (80, 252257859), (84, 240245580), (90, 224229208), (92, 219354660), (105, 192196464), (112, 180184185), (115, 175483728), (120, 168171906), (126, 160163720), (138, 146236440), (140, 144147348), (144, 140143255), (161, 125345520), (168, 120122790), (180, 112114604), (184, 109677330), (207, 97490960), (210, 96098232), (230, 87741864), (240, 84085953), (252, 80081860), (276, 73118220), (280, 72073674), (315, 64065488), (322, 62672760), (336, 60061395), (345, 58494576), (360, 56057302), (368, 54838665), (414, 48745480), (420, 48049116), (460, 43870932), (483, 41781840), (504, 40040930), (552, 36559110), (560, 36036837), (630, 32032744), (644, 31336380), (690, 29247288), (720, 28028651), (805, 25069104), (828, 24372740), (840, 24024558), (920, 21935466), (966, 20890920), (1008, 20020465), (1035, 19498192), (1104, 18279555), (1260, 16016372), (1288, 15668190), (1380, 14623644), (1449, 13927280), (1610, 12534552), (1656, 12186370), (1680, 12012279), (1840, 10967733), (1932, 10445460), (2070, 9749096), (2415, 8356368), (2520, 8008186), (2576, 7834095), (2760, 7311822), (2898, 6963640), (3220, 6267276), (3312, 6093185), (3864, 5222730), (4140, 4874548), (4830, 4178184), (5040, 4004093), (5520, 3655911), (5796, 3481820), (6440, 3133638), (7245, 2785456), (7728, 2611365), (8280, 2437274), (9660, 2089092), (11592, 1740910), (12880, 1566819), (14490, 1392728), (16560, 1218637), (19320, 1044546), (23184, 870455), (28980, 696364), (38640, 522273), (57960, 348182), (115920, 174091)]