638915084640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{9054919}}^1$

素因数の和:9054954

約数の個数: 216

約数和(自身を含む): 2536264982160

約数和(自身を除く): 1897349897520

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 9054919, 18109838, 27164757, 36219676, 45274595, 54329514, 63384433, 72439352, 81494271, 90549190, 108659028, 126768866, 135823785, 144878704, 162988542, 181098380, 190153299, 217318056, 253537732, 271647570, 289757408, 316922165, 325977084, 362196760, 380306598, 407471355, 434636112, 443691031, 507075464, 543295140, 570459897, 633844330, 651954168, 724393520, 760613196, 814942710, 869272224, 887382062, 950766495, 1014150928, 1086590280, 1140919794, 1267688660, 1303908336, 1331073093, 1448787040, 1521226392, 1629885420, 1774764124, 1901532990, 2028301856, 2173180560, 2218455155, 2281839588, 2535377320, 2607816672, 2662146186, 2852299485, 3042452784, 3259770840, 3549528248, 3803065980, 3993219279, 4346361120, 4436910310, 4563679176, 5070754640, 5324292372, 5704598970, 6084905568, 6519541680, 6655365465, 7099056496, 7606131960, 7986438558, 8873820620, 9127358352, 10141509280, 10648584744, 11409197940, 13039083360, 13310730930, 14198112992, 15212263920, 15972877116, 17747641240, 18254716704, 19966096395, 21297169488, 22818395880, 26621461860, 30424527840, 31945754232, 35495282480, 39932192790, 42594338976, 45636791760, 53242923720, 63891508464, 70990564960, 79864385580, 91273583520, 106485847440, 127783016928, 159728771160, 212971694880, 319457542320, 638915084640]

約数ペア:

[(1, 638915084640), (2, 319457542320), (3, 212971694880), (4, 159728771160), (5, 127783016928), (6, 106485847440), (7, 91273583520), (8, 79864385580), (9, 70990564960), (10, 63891508464), (12, 53242923720), (14, 45636791760), (15, 42594338976), (16, 39932192790), (18, 35495282480), (20, 31945754232), (21, 30424527840), (24, 26621461860), (28, 22818395880), (30, 21297169488), (32, 19966096395), (35, 18254716704), (36, 17747641240), (40, 15972877116), (42, 15212263920), (45, 14198112992), (48, 13310730930), (49, 13039083360), (56, 11409197940), (60, 10648584744), (63, 10141509280), (70, 9127358352), (72, 8873820620), (80, 7986438558), (84, 7606131960), (90, 7099056496), (96, 6655365465), (98, 6519541680), (105, 6084905568), (112, 5704598970), (120, 5324292372), (126, 5070754640), (140, 4563679176), (144, 4436910310), (147, 4346361120), (160, 3993219279), (168, 3803065980), (180, 3549528248), (196, 3259770840), (210, 3042452784), (224, 2852299485), (240, 2662146186), (245, 2607816672), (252, 2535377320), (280, 2281839588), (288, 2218455155), (294, 2173180560), (315, 2028301856), (336, 1901532990), (360, 1774764124), (392, 1629885420), (420, 1521226392), (441, 1448787040), (480, 1331073093), (490, 1303908336), (504, 1267688660), (560, 1140919794), (588, 1086590280), (630, 1014150928), (672, 950766495), (720, 887382062), (735, 869272224), (784, 814942710), (840, 760613196), (882, 724393520), (980, 651954168), (1008, 633844330), (1120, 570459897), (1176, 543295140), (1260, 507075464), (1440, 443691031), (1470, 434636112), (1568, 407471355), (1680, 380306598), (1764, 362196760), (1960, 325977084), (2016, 316922165), (2205, 289757408), (2352, 271647570), (2520, 253537732), (2940, 217318056), (3360, 190153299), (3528, 181098380), (3920, 162988542), (4410, 144878704), (4704, 135823785), (5040, 126768866), (5880, 108659028), (7056, 90549190), (7840, 81494271), (8820, 72439352), (10080, 63384433), (11760, 54329514), (14112, 45274595), (17640, 36219676), (23520, 27164757), (35280, 18109838), (70560, 9054919)]