257380535520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{198817}}^1$

素因数の和:198898

約数の個数: 288

約数和(自身を含む): 937911985920

約数和(自身を除く): 680531450400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 32, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 96, 116, 120, 124, 144, 145, 155, 160, 174, 180, 186, 232, 240, 248, 261, 279, 288, 290, 310, 348, 360, 372, 435, 464, 465, 480, 496, 522, 558, 580, 620, 696, 720, 744, 870, 899, 928, 930, 992, 1044, 1116, 1160, 1240, 1305, 1392, 1395, 1440, 1488, 1740, 1798, 1860, 2088, 2232, 2320, 2480, 2610, 2697, 2784, 2790, 2976, 3480, 3596, 3720, 4176, 4464, 4495, 4640, 4960, 5220, 5394, 5580, 6960, 7192, 7440, 8091, 8352, 8928, 8990, 10440, 10788, 11160, 13485, 13920, 14384, 14880, 16182, 17980, 20880, 21576, 22320, 26970, 28768, 32364, 35960, 40455, 41760, 43152, 44640, 53940, 64728, 71920, 80910, 86304, 107880, 129456, 143840, 161820, 198817, 215760, 258912, 323640, 397634, 431520, 596451, 647280, 795268, 994085, 1192902, 1294560, 1590536, 1789353, 1988170, 2385804, 2982255, 3181072, 3578706, 3976340, 4771608, 5765693, 5964510, 6163327, 6362144, 7157412, 7952680, 8946765, 9543216, 11531386, 11929020, 12326654, 14314824, 15905360, 17297079, 17893530, 18489981, 19086432, 23062772, 23858040, 24653308, 28629648, 28828465, 30816635, 31810720, 34594158, 35787060, 36979962, 46125544, 47716080, 49306616, 51891237, 55469943, 57259296, 57656930, 61633270, 69188316, 71574120, 73959924, 86485395, 92251088, 92449905, 95432160, 98613232, 103782474, 110939886, 115313860, 123266540, 138376632, 143148240, 147919848, 172970790, 178736483, 184502176, 184899810, 197226464, 207564948, 221879772, 230627720, 246533080, 259456185, 276753264, 277349715, 286296480, 295839696, 345941580, 357472966, 369799620, 415129896, 443759544, 461255440, 493066160, 518912370, 536209449, 553506528, 554699430, 591679392, 691883160, 714945932, 739599240, 830259792, 887519088, 893682415, 922510880, 986132320, 1037824740, 1072418898, 1109398860, 1383766320, 1429891864, 1479198480, 1608628347, 1660519584, 1775038176, 1787364830, 2075649480, 2144837796, 2218797720, 2681047245, 2767532640, 2859783728, 2958396960, 3217256694, 3574729660, 4151298960, 4289675592, 4437595440, 5362094490, 5719567456, 6434513388, 7149459320, 8043141735, 8302597920, 8579351184, 8875190880, 10724188980, 12869026776, 14298918640, 16086283470, 17158702368, 21448377960, 25738053552, 28597837280, 32172566940, 42896755920, 51476107104, 64345133880, 85793511840, 128690267760, 257380535520]

約数ペア:

[(1, 257380535520), (2, 128690267760), (3, 85793511840), (4, 64345133880), (5, 51476107104), (6, 42896755920), (8, 32172566940), (9, 28597837280), (10, 25738053552), (12, 21448377960), (15, 17158702368), (16, 16086283470), (18, 14298918640), (20, 12869026776), (24, 10724188980), (29, 8875190880), (30, 8579351184), (31, 8302597920), (32, 8043141735), (36, 7149459320), (40, 6434513388), (45, 5719567456), (48, 5362094490), (58, 4437595440), (60, 4289675592), (62, 4151298960), (72, 3574729660), (80, 3217256694), (87, 2958396960), (90, 2859783728), (93, 2767532640), (96, 2681047245), (116, 2218797720), (120, 2144837796), (124, 2075649480), (144, 1787364830), (145, 1775038176), (155, 1660519584), (160, 1608628347), (174, 1479198480), (180, 1429891864), (186, 1383766320), (232, 1109398860), (240, 1072418898), (248, 1037824740), (261, 986132320), (279, 922510880), (288, 893682415), (290, 887519088), (310, 830259792), (348, 739599240), (360, 714945932), (372, 691883160), (435, 591679392), (464, 554699430), (465, 553506528), (480, 536209449), (496, 518912370), (522, 493066160), (558, 461255440), (580, 443759544), (620, 415129896), (696, 369799620), (720, 357472966), (744, 345941580), (870, 295839696), (899, 286296480), (928, 277349715), (930, 276753264), (992, 259456185), (1044, 246533080), (1116, 230627720), (1160, 221879772), (1240, 207564948), (1305, 197226464), (1392, 184899810), (1395, 184502176), (1440, 178736483), (1488, 172970790), (1740, 147919848), (1798, 143148240), (1860, 138376632), (2088, 123266540), (2232, 115313860), (2320, 110939886), (2480, 103782474), (2610, 98613232), (2697, 95432160), (2784, 92449905), (2790, 92251088), (2976, 86485395), (3480, 73959924), (3596, 71574120), (3720, 69188316), (4176, 61633270), (4464, 57656930), (4495, 57259296), (4640, 55469943), (4960, 51891237), (5220, 49306616), (5394, 47716080), (5580, 46125544), (6960, 36979962), (7192, 35787060), (7440, 34594158), (8091, 31810720), (8352, 30816635), (8928, 28828465), (8990, 28629648), (10440, 24653308), (10788, 23858040), (11160, 23062772), (13485, 19086432), (13920, 18489981), (14384, 17893530), (14880, 17297079), (16182, 15905360), (17980, 14314824), (20880, 12326654), (21576, 11929020), (22320, 11531386), (26970, 9543216), (28768, 8946765), (32364, 7952680), (35960, 7157412), (40455, 6362144), (41760, 6163327), (43152, 5964510), (44640, 5765693), (53940, 4771608), (64728, 3976340), (71920, 3578706), (80910, 3181072), (86304, 2982255), (107880, 2385804), (129456, 1988170), (143840, 1789353), (161820, 1590536), (198817, 1294560), (215760, 1192902), (258912, 994085), (323640, 795268), (397634, 647280), (431520, 596451)]