2640667680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{261971}}^1$

素因数の和:261999

約数の個数: 144

約数和(自身を含む): 10298643264

約数和(自身を除く): 7657975584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 261971, 523942, 785913, 1047884, 1309855, 1571826, 1833797, 2095768, 2357739, 2619710, 3143652, 3667594, 3929565, 4191536, 4715478, 5239420, 5501391, 6287304, 7335188, 7859130, 8383072, 9168985, 9430956, 10478840, 11002782, 11788695, 12574608, 14670376, 15718260, 16504173, 18337970, 18861912, 20957680, 22005564, 23577390, 25149216, 27506955, 29340752, 31436520, 33008346, 36675940, 37723824, 41915360, 44011128, 47154780, 55013910, 58681504, 62873040, 66016692, 73351880, 75447648, 82520865, 88022256, 94309560, 110027820, 125746080, 132033384, 146703760, 165041730, 176044512, 188619120, 220055640, 264066768, 293407520, 330083460, 377238240, 440111280, 528133536, 660166920, 880222560, 1320333840, 2640667680]

約数ペア:

[(1, 2640667680), (2, 1320333840), (3, 880222560), (4, 660166920), (5, 528133536), (6, 440111280), (7, 377238240), (8, 330083460), (9, 293407520), (10, 264066768), (12, 220055640), (14, 188619120), (15, 176044512), (16, 165041730), (18, 146703760), (20, 132033384), (21, 125746080), (24, 110027820), (28, 94309560), (30, 88022256), (32, 82520865), (35, 75447648), (36, 73351880), (40, 66016692), (42, 62873040), (45, 58681504), (48, 55013910), (56, 47154780), (60, 44011128), (63, 41915360), (70, 37723824), (72, 36675940), (80, 33008346), (84, 31436520), (90, 29340752), (96, 27506955), (105, 25149216), (112, 23577390), (120, 22005564), (126, 20957680), (140, 18861912), (144, 18337970), (160, 16504173), (168, 15718260), (180, 14670376), (210, 12574608), (224, 11788695), (240, 11002782), (252, 10478840), (280, 9430956), (288, 9168985), (315, 8383072), (336, 7859130), (360, 7335188), (420, 6287304), (480, 5501391), (504, 5239420), (560, 4715478), (630, 4191536), (672, 3929565), (720, 3667594), (840, 3143652), (1008, 2619710), (1120, 2357739), (1260, 2095768), (1440, 1833797), (1680, 1571826), (2016, 1309855), (2520, 1047884), (3360, 785913), (5040, 523942), (10080, 261971)]