20152781640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:917

約数の個数: 256

約数和(自身を含む): 68060160000

約数和(自身を除く): 47907378360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 270, 349, 360, 381, 421, 508, 540, 635, 698, 762, 842, 1016, 1047, 1080, 1143, 1263, 1270, 1396, 1524, 1684, 1745, 1905, 2094, 2105, 2286, 2526, 2540, 2792, 3048, 3141, 3368, 3429, 3490, 3789, 3810, 4188, 4210, 4572, 5052, 5080, 5235, 5715, 6282, 6315, 6858, 6980, 7578, 7620, 8376, 8420, 9144, 9423, 10104, 10470, 11367, 11430, 12564, 12630, 13716, 13960, 15156, 15240, 15705, 16840, 17145, 18846, 18945, 20940, 22734, 22860, 25128, 25260, 27432, 30312, 31410, 34290, 37692, 37890, 41880, 44323, 45468, 45720, 47115, 50520, 53467, 56835, 62820, 68580, 75384, 75780, 88646, 90936, 94230, 106934, 113670, 125640, 132969, 137160, 146929, 151560, 160401, 177292, 188460, 213868, 221615, 227340, 265938, 267335, 293858, 320802, 354584, 376920, 398907, 427736, 440787, 443230, 454680, 481203, 531876, 534670, 587716, 641604, 664845, 734645, 797814, 802005, 881574, 886460, 962406, 1063752, 1069340, 1175432, 1196721, 1283208, 1322361, 1329690, 1443609, 1469290, 1595628, 1604010, 1763148, 1772920, 1924812, 1994535, 2138680, 2203935, 2393442, 2406015, 2644722, 2659380, 2887218, 2938580, 3191256, 3208020, 3526296, 3849624, 3967083, 3989070, 4407870, 4786884, 4812030, 5289444, 5318760, 5774436, 5877160, 5983605, 6416040, 6611805, 7218045, 7934166, 7978140, 8815740, 9573768, 9624060, 10578888, 11548872, 11967210, 13223610, 14436090, 15868332, 15956280, 17631480, 18659983, 19248120, 19835415, 23934420, 26447220, 28872180, 31736664, 37319966, 39670830, 47868840, 52894440, 55979949, 57744360, 74639932, 79341660, 93299915, 111959898, 149279864, 158683320, 167939847, 186599830, 223919796, 279899745, 335879694, 373199660, 447839592, 503819541, 559799490, 671759388, 746399320, 839699235, 1007639082, 1119598980, 1343518776, 1679398470, 2015278164, 2239197960, 2519097705, 3358796940, 4030556328, 5038195410, 6717593880, 10076390820, 20152781640]

約数ペア:

[(1, 20152781640), (2, 10076390820), (3, 6717593880), (4, 5038195410), (5, 4030556328), (6, 3358796940), (8, 2519097705), (9, 2239197960), (10, 2015278164), (12, 1679398470), (15, 1343518776), (18, 1119598980), (20, 1007639082), (24, 839699235), (27, 746399320), (30, 671759388), (36, 559799490), (40, 503819541), (45, 447839592), (54, 373199660), (60, 335879694), (72, 279899745), (90, 223919796), (108, 186599830), (120, 167939847), (127, 158683320), (135, 149279864), (180, 111959898), (216, 93299915), (254, 79341660), (270, 74639932), (349, 57744360), (360, 55979949), (381, 52894440), (421, 47868840), (508, 39670830), (540, 37319966), (635, 31736664), (698, 28872180), (762, 26447220), (842, 23934420), (1016, 19835415), (1047, 19248120), (1080, 18659983), (1143, 17631480), (1263, 15956280), (1270, 15868332), (1396, 14436090), (1524, 13223610), (1684, 11967210), (1745, 11548872), (1905, 10578888), (2094, 9624060), (2105, 9573768), (2286, 8815740), (2526, 7978140), (2540, 7934166), (2792, 7218045), (3048, 6611805), (3141, 6416040), (3368, 5983605), (3429, 5877160), (3490, 5774436), (3789, 5318760), (3810, 5289444), (4188, 4812030), (4210, 4786884), (4572, 4407870), (5052, 3989070), (5080, 3967083), (5235, 3849624), (5715, 3526296), (6282, 3208020), (6315, 3191256), (6858, 2938580), (6980, 2887218), (7578, 2659380), (7620, 2644722), (8376, 2406015), (8420, 2393442), (9144, 2203935), (9423, 2138680), (10104, 1994535), (10470, 1924812), (11367, 1772920), (11430, 1763148), (12564, 1604010), (12630, 1595628), (13716, 1469290), (13960, 1443609), (15156, 1329690), (15240, 1322361), (15705, 1283208), (16840, 1196721), (17145, 1175432), (18846, 1069340), (18945, 1063752), (20940, 962406), (22734, 886460), (22860, 881574), (25128, 802005), (25260, 797814), (27432, 734645), (30312, 664845), (31410, 641604), (34290, 587716), (37692, 534670), (37890, 531876), (41880, 481203), (44323, 454680), (45468, 443230), (45720, 440787), (47115, 427736), (50520, 398907), (53467, 376920), (56835, 354584), (62820, 320802), (68580, 293858), (75384, 267335), (75780, 265938), (88646, 227340), (90936, 221615), (94230, 213868), (106934, 188460), (113670, 177292), (125640, 160401), (132969, 151560), (137160, 146929)]