18717499920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1279}}^1$

素因数の和:1614

約数の個数: 320

約数和(自身を含む): 68749885440

約数和(自身を除く): 50032385520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 281, 310, 336, 372, 420, 434, 465, 496, 560, 562, 620, 651, 744, 840, 843, 868, 930, 1085, 1124, 1240, 1279, 1302, 1405, 1488, 1680, 1686, 1736, 1860, 1967, 2170, 2248, 2480, 2558, 2604, 2810, 3255, 3372, 3472, 3720, 3837, 3934, 4215, 4340, 4496, 5116, 5208, 5620, 5901, 6395, 6510, 6744, 7440, 7674, 7868, 8430, 8680, 8711, 8953, 9835, 10232, 10416, 11240, 11802, 12790, 13020, 13488, 15348, 15736, 16860, 17360, 17422, 17906, 19185, 19670, 20464, 22480, 23604, 25580, 26040, 26133, 26859, 29505, 30696, 31472, 33720, 34844, 35812, 38370, 39340, 39649, 43555, 44765, 47208, 51160, 52080, 52266, 53718, 59010, 60977, 61392, 67440, 69688, 71624, 76740, 78680, 79298, 87110, 89530, 94416, 102320, 104532, 107436, 118020, 118947, 121954, 130665, 134295, 139376, 143248, 153480, 157360, 158596, 174220, 179060, 182931, 198245, 209064, 214872, 236040, 237894, 243908, 261330, 268590, 277543, 304885, 306960, 317192, 348440, 358120, 359399, 365862, 396490, 418128, 429744, 472080, 475788, 487816, 522660, 537180, 555086, 594735, 609770, 634384, 696880, 716240, 718798, 731724, 792980, 832629, 914655, 951576, 975632, 1045320, 1074360, 1078197, 1110172, 1189470, 1219540, 1387715, 1437596, 1463448, 1585960, 1665258, 1796995, 1829310, 1903152, 2090640, 2148720, 2156394, 2220344, 2378940, 2439080, 2515793, 2775430, 2875192, 2926896, 3171920, 3330516, 3593990, 3658620, 4163145, 4312788, 4440688, 4757880, 4878160, 5031586, 5390985, 5550860, 5750384, 6661032, 7187980, 7317240, 7547379, 8326290, 8625576, 9515760, 10063172, 10781970, 11101720, 11141369, 12578965, 13322064, 14375960, 14634480, 15094758, 16652580, 17251152, 20126344, 21563940, 22203440, 22282738, 25157930, 28751920, 30189516, 33305160, 33424107, 37736895, 40252688, 43127880, 44565476, 50315860, 55706845, 60379032, 66610320, 66848214, 75473790, 77989583, 86255760, 89130952, 100631720, 111413690, 120758064, 133696428, 150947580, 155979166, 167120535, 178261904, 201263440, 222827380, 233968749, 267392856, 301895160, 311958332, 334241070, 389947915, 445654760, 467937498, 534785712, 603790320, 623916664, 668482140, 779895830, 891309520, 935874996, 1169843745, 1247833328, 1336964280, 1559791660, 1871749992, 2339687490, 2673928560, 3119583320, 3743499984, 4679374980, 6239166640, 9358749960, 18717499920]

約数ペア:

[(1, 18717499920), (2, 9358749960), (3, 6239166640), (4, 4679374980), (5, 3743499984), (6, 3119583320), (7, 2673928560), (8, 2339687490), (10, 1871749992), (12, 1559791660), (14, 1336964280), (15, 1247833328), (16, 1169843745), (20, 935874996), (21, 891309520), (24, 779895830), (28, 668482140), (30, 623916664), (31, 603790320), (35, 534785712), (40, 467937498), (42, 445654760), (48, 389947915), (56, 334241070), (60, 311958332), (62, 301895160), (70, 267392856), (80, 233968749), (84, 222827380), (93, 201263440), (105, 178261904), (112, 167120535), (120, 155979166), (124, 150947580), (140, 133696428), (155, 120758064), (168, 111413690), (186, 100631720), (210, 89130952), (217, 86255760), (240, 77989583), (248, 75473790), (280, 66848214), (281, 66610320), (310, 60379032), (336, 55706845), (372, 50315860), (420, 44565476), (434, 43127880), (465, 40252688), (496, 37736895), (560, 33424107), (562, 33305160), (620, 30189516), (651, 28751920), (744, 25157930), (840, 22282738), (843, 22203440), (868, 21563940), (930, 20126344), (1085, 17251152), (1124, 16652580), (1240, 15094758), (1279, 14634480), (1302, 14375960), (1405, 13322064), (1488, 12578965), (1680, 11141369), (1686, 11101720), (1736, 10781970), (1860, 10063172), (1967, 9515760), (2170, 8625576), (2248, 8326290), (2480, 7547379), (2558, 7317240), (2604, 7187980), (2810, 6661032), (3255, 5750384), (3372, 5550860), (3472, 5390985), (3720, 5031586), (3837, 4878160), (3934, 4757880), (4215, 4440688), (4340, 4312788), (4496, 4163145), (5116, 3658620), (5208, 3593990), (5620, 3330516), (5901, 3171920), (6395, 2926896), (6510, 2875192), (6744, 2775430), (7440, 2515793), (7674, 2439080), (7868, 2378940), (8430, 2220344), (8680, 2156394), (8711, 2148720), (8953, 2090640), (9835, 1903152), (10232, 1829310), (10416, 1796995), (11240, 1665258), (11802, 1585960), (12790, 1463448), (13020, 1437596), (13488, 1387715), (15348, 1219540), (15736, 1189470), (16860, 1110172), (17360, 1078197), (17422, 1074360), (17906, 1045320), (19185, 975632), (19670, 951576), (20464, 914655), (22480, 832629), (23604, 792980), (25580, 731724), (26040, 718798), (26133, 716240), (26859, 696880), (29505, 634384), (30696, 609770), (31472, 594735), (33720, 555086), (34844, 537180), (35812, 522660), (38370, 487816), (39340, 475788), (39649, 472080), (43555, 429744), (44765, 418128), (47208, 396490), (51160, 365862), (52080, 359399), (52266, 358120), (53718, 348440), (59010, 317192), (60977, 306960), (61392, 304885), (67440, 277543), (69688, 268590), (71624, 261330), (76740, 243908), (78680, 237894), (79298, 236040), (87110, 214872), (89530, 209064), (94416, 198245), (102320, 182931), (104532, 179060), (107436, 174220), (118020, 158596), (118947, 157360), (121954, 153480), (130665, 143248), (134295, 139376)]