20123177760

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:11001

約数の個数: 384

約数和(自身を含む): 81819763200

約数和(自身を除く): 61696585440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 122, 126, 135, 140, 144, 160, 168, 180, 183, 189, 210, 216, 224, 240, 244, 252, 270, 280, 288, 305, 315, 336, 360, 366, 378, 420, 427, 432, 480, 488, 504, 540, 549, 560, 610, 630, 672, 720, 732, 756, 840, 854, 864, 915, 945, 976, 1008, 1080, 1098, 1120, 1220, 1260, 1281, 1440, 1464, 1512, 1647, 1680, 1708, 1830, 1890, 1952, 2016, 2135, 2160, 2196, 2440, 2520, 2562, 2745, 2928, 3024, 3294, 3360, 3416, 3660, 3780, 3843, 4270, 4320, 4392, 4880, 5040, 5124, 5490, 5856, 6048, 6405, 6588, 6832, 7320, 7560, 7686, 8235, 8540, 8784, 9760, 10080, 10248, 10909, 10980, 11529, 12810, 13176, 13664, 14640, 15120, 15372, 16470, 17080, 17568, 19215, 20496, 21818, 21960, 23058, 25620, 26352, 29280, 30240, 30744, 32727, 32940, 34160, 38430, 40992, 43636, 43920, 46116, 51240, 52704, 54545, 57645, 61488, 65454, 65880, 68320, 76363, 76860, 87272, 87840, 92232, 98181, 102480, 109090, 115290, 122976, 130908, 131760, 152726, 153720, 163635, 174544, 184464, 196362, 204960, 218180, 229089, 230580, 261816, 263520, 294543, 305452, 307440, 327270, 349088, 368928, 381815, 392724, 436360, 458178, 461160, 490905, 523632, 589086, 610904, 614880, 654540, 665449, 687267, 763630, 785448, 872720, 916356, 922320, 981810, 1047264, 1145445, 1178172, 1221808, 1309080, 1330898, 1374534, 1472715, 1527260, 1570896, 1745440, 1832712, 1844640, 1963620, 1996347, 2061801, 2290890, 2356344, 2443616, 2618160, 2661796, 2749068, 2945430, 3054520, 3141792, 3327245, 3436335, 3665424, 3927240, 3992694, 4123602, 4581780, 4658143, 4712688, 5236320, 5323592, 5498136, 5890860, 5989041, 6109040, 6654490, 6872670, 7330848, 7854480, 7985388, 8247204, 9163560, 9316286, 9425376, 9981735, 10309005, 10647184, 10996272, 11781720, 11978082, 12218080, 13308980, 13745340, 13974429, 15708960, 15970776, 16494408, 17967123, 18327120, 18632572, 19963470, 20618010, 21294368, 21992544, 23290715, 23563440, 23956164, 26617960, 27490680, 27948858, 29945205, 31941552, 32988816, 35934246, 36654240, 37265144, 39926940, 41236020, 41923287, 46581430, 47126880, 47912328, 53235920, 54981360, 55897716, 59890410, 63883104, 65977632, 69872145, 71868492, 74530288, 79853880, 82472040, 83846574, 89835615, 93162860, 95824656, 106471840, 109962720, 111795432, 119780820, 125769861, 139744290, 143736984, 149060576, 159707760, 164944080, 167693148, 179671230, 186325720, 191649312, 209616435, 223590864, 239561640, 251539722, 279488580, 287473968, 319415520, 329888160, 335386296, 359342460, 372651440, 419232870, 447181728, 479123280, 503079444, 558977160, 574947936, 628849305, 670772592, 718684920, 745302880, 838465740, 958246560, 1006158888, 1117954320, 1257698610, 1341545184, 1437369840, 1676931480, 2012317776, 2235908640, 2515397220, 2874739680, 3353862960, 4024635552, 5030794440, 6707725920, 10061588880, 20123177760]

約数ペア:

[(1, 20123177760), (2, 10061588880), (3, 6707725920), (4, 5030794440), (5, 4024635552), (6, 3353862960), (7, 2874739680), (8, 2515397220), (9, 2235908640), (10, 2012317776), (12, 1676931480), (14, 1437369840), (15, 1341545184), (16, 1257698610), (18, 1117954320), (20, 1006158888), (21, 958246560), (24, 838465740), (27, 745302880), (28, 718684920), (30, 670772592), (32, 628849305), (35, 574947936), (36, 558977160), (40, 503079444), (42, 479123280), (45, 447181728), (48, 419232870), (54, 372651440), (56, 359342460), (60, 335386296), (61, 329888160), (63, 319415520), (70, 287473968), (72, 279488580), (80, 251539722), (84, 239561640), (90, 223590864), (96, 209616435), (105, 191649312), (108, 186325720), (112, 179671230), (120, 167693148), (122, 164944080), (126, 159707760), (135, 149060576), (140, 143736984), (144, 139744290), (160, 125769861), (168, 119780820), (180, 111795432), (183, 109962720), (189, 106471840), (210, 95824656), (216, 93162860), (224, 89835615), (240, 83846574), (244, 82472040), (252, 79853880), (270, 74530288), (280, 71868492), (288, 69872145), (305, 65977632), (315, 63883104), (336, 59890410), (360, 55897716), (366, 54981360), (378, 53235920), (420, 47912328), (427, 47126880), (432, 46581430), (480, 41923287), (488, 41236020), (504, 39926940), (540, 37265144), (549, 36654240), (560, 35934246), (610, 32988816), (630, 31941552), (672, 29945205), (720, 27948858), (732, 27490680), (756, 26617960), (840, 23956164), (854, 23563440), (864, 23290715), (915, 21992544), (945, 21294368), (976, 20618010), (1008, 19963470), (1080, 18632572), (1098, 18327120), (1120, 17967123), (1220, 16494408), (1260, 15970776), (1281, 15708960), (1440, 13974429), (1464, 13745340), (1512, 13308980), (1647, 12218080), (1680, 11978082), (1708, 11781720), (1830, 10996272), (1890, 10647184), (1952, 10309005), (2016, 9981735), (2135, 9425376), (2160, 9316286), (2196, 9163560), (2440, 8247204), (2520, 7985388), (2562, 7854480), (2745, 7330848), (2928, 6872670), (3024, 6654490), (3294, 6109040), (3360, 5989041), (3416, 5890860), (3660, 5498136), (3780, 5323592), (3843, 5236320), (4270, 4712688), (4320, 4658143), (4392, 4581780), (4880, 4123602), (5040, 3992694), (5124, 3927240), (5490, 3665424), (5856, 3436335), (6048, 3327245), (6405, 3141792), (6588, 3054520), (6832, 2945430), (7320, 2749068), (7560, 2661796), (7686, 2618160), (8235, 2443616), (8540, 2356344), (8784, 2290890), (9760, 2061801), (10080, 1996347), (10248, 1963620), (10909, 1844640), (10980, 1832712), (11529, 1745440), (12810, 1570896), (13176, 1527260), (13664, 1472715), (14640, 1374534), (15120, 1330898), (15372, 1309080), (16470, 1221808), (17080, 1178172), (17568, 1145445), (19215, 1047264), (20496, 981810), (21818, 922320), (21960, 916356), (23058, 872720), (25620, 785448), (26352, 763630), (29280, 687267), (30240, 665449), (30744, 654540), (32727, 614880), (32940, 610904), (34160, 589086), (38430, 523632), (40992, 490905), (43636, 461160), (43920, 458178), (46116, 436360), (51240, 392724), (52704, 381815), (54545, 368928), (57645, 349088), (61488, 327270), (65454, 307440), (65880, 305452), (68320, 294543), (76363, 263520), (76860, 261816), (87272, 230580), (87840, 229089), (92232, 218180), (98181, 204960), (102480, 196362), (109090, 184464), (115290, 174544), (122976, 163635), (130908, 153720), (131760, 152726)]