20454070320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1217}}^1$

素因数の和:1521

約数の個数: 320

約数和(自身を含む): 73075322880

約数和(自身を除く): 52621252560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 251, 270, 279, 310, 360, 372, 432, 465, 496, 502, 540, 558, 620, 720, 744, 753, 837, 930, 1004, 1080, 1116, 1217, 1240, 1255, 1395, 1488, 1506, 1674, 1860, 2008, 2160, 2232, 2259, 2434, 2480, 2510, 2790, 3012, 3348, 3651, 3720, 3765, 4016, 4185, 4464, 4518, 4868, 5020, 5580, 6024, 6085, 6696, 6777, 7302, 7440, 7530, 7781, 8370, 9036, 9736, 10040, 10953, 11160, 11295, 12048, 12170, 13392, 13554, 14604, 15060, 15562, 16740, 18072, 18255, 19472, 20080, 21906, 22320, 22590, 23343, 24340, 27108, 29208, 30120, 31124, 32859, 33480, 33885, 36144, 36510, 37727, 38905, 43812, 45180, 46686, 48680, 54216, 54765, 58416, 60240, 62248, 65718, 66960, 67770, 70029, 73020, 75454, 77810, 87624, 90360, 93372, 97360, 108432, 109530, 113181, 116715, 124496, 131436, 135540, 140058, 146040, 150908, 155620, 164295, 175248, 180720, 186744, 188635, 210087, 219060, 226362, 233430, 262872, 271080, 280116, 292080, 301816, 305467, 311240, 328590, 339543, 350145, 373488, 377270, 420174, 438120, 452724, 466860, 525744, 542160, 560232, 565905, 603632, 610934, 622480, 657180, 679086, 700290, 754540, 840348, 876240, 905448, 916401, 933720, 1018629, 1050435, 1120464, 1131810, 1221868, 1314360, 1358172, 1400580, 1509080, 1527335, 1680696, 1697715, 1810896, 1832802, 1867440, 2037258, 2100870, 2263620, 2443736, 2628720, 2716344, 2749203, 2801160, 3018160, 3054670, 3361392, 3395430, 3665604, 4074516, 4201740, 4527240, 4582005, 4887472, 5093145, 5432688, 5498406, 5602320, 6109340, 6790860, 7331208, 8149032, 8247609, 8403480, 9054480, 9164010, 9469477, 10186290, 10996812, 12218680, 13581720, 13746015, 14662416, 16298064, 16495218, 16806960, 18328020, 18938954, 20372580, 21993624, 24437360, 27163440, 27492030, 28408431, 32990436, 36656040, 37877908, 40745160, 41238045, 43987248, 47347385, 54984060, 56816862, 65980872, 73312080, 75755816, 81490320, 82476090, 85225293, 94694770, 109968120, 113633724, 131961744, 142042155, 151511632, 164952180, 170450586, 189389540, 219936240, 227267448, 255675879, 284084310, 329904360, 340901172, 378779080, 426126465, 454534896, 511351758, 568168620, 659808720, 681802344, 757558160, 852252930, 1022703516, 1136337240, 1278379395, 1363604688, 1704505860, 2045407032, 2272674480, 2556758790, 3409011720, 4090814064, 5113517580, 6818023440, 10227035160, 20454070320]

約数ペア:

[(1, 20454070320), (2, 10227035160), (3, 6818023440), (4, 5113517580), (5, 4090814064), (6, 3409011720), (8, 2556758790), (9, 2272674480), (10, 2045407032), (12, 1704505860), (15, 1363604688), (16, 1278379395), (18, 1136337240), (20, 1022703516), (24, 852252930), (27, 757558160), (30, 681802344), (31, 659808720), (36, 568168620), (40, 511351758), (45, 454534896), (48, 426126465), (54, 378779080), (60, 340901172), (62, 329904360), (72, 284084310), (80, 255675879), (90, 227267448), (93, 219936240), (108, 189389540), (120, 170450586), (124, 164952180), (135, 151511632), (144, 142042155), (155, 131961744), (180, 113633724), (186, 109968120), (216, 94694770), (240, 85225293), (248, 82476090), (251, 81490320), (270, 75755816), (279, 73312080), (310, 65980872), (360, 56816862), (372, 54984060), (432, 47347385), (465, 43987248), (496, 41238045), (502, 40745160), (540, 37877908), (558, 36656040), (620, 32990436), (720, 28408431), (744, 27492030), (753, 27163440), (837, 24437360), (930, 21993624), (1004, 20372580), (1080, 18938954), (1116, 18328020), (1217, 16806960), (1240, 16495218), (1255, 16298064), (1395, 14662416), (1488, 13746015), (1506, 13581720), (1674, 12218680), (1860, 10996812), (2008, 10186290), (2160, 9469477), (2232, 9164010), (2259, 9054480), (2434, 8403480), (2480, 8247609), (2510, 8149032), (2790, 7331208), (3012, 6790860), (3348, 6109340), (3651, 5602320), (3720, 5498406), (3765, 5432688), (4016, 5093145), (4185, 4887472), (4464, 4582005), (4518, 4527240), (4868, 4201740), (5020, 4074516), (5580, 3665604), (6024, 3395430), (6085, 3361392), (6696, 3054670), (6777, 3018160), (7302, 2801160), (7440, 2749203), (7530, 2716344), (7781, 2628720), (8370, 2443736), (9036, 2263620), (9736, 2100870), (10040, 2037258), (10953, 1867440), (11160, 1832802), (11295, 1810896), (12048, 1697715), (12170, 1680696), (13392, 1527335), (13554, 1509080), (14604, 1400580), (15060, 1358172), (15562, 1314360), (16740, 1221868), (18072, 1131810), (18255, 1120464), (19472, 1050435), (20080, 1018629), (21906, 933720), (22320, 916401), (22590, 905448), (23343, 876240), (24340, 840348), (27108, 754540), (29208, 700290), (30120, 679086), (31124, 657180), (32859, 622480), (33480, 610934), (33885, 603632), (36144, 565905), (36510, 560232), (37727, 542160), (38905, 525744), (43812, 466860), (45180, 452724), (46686, 438120), (48680, 420174), (54216, 377270), (54765, 373488), (58416, 350145), (60240, 339543), (62248, 328590), (65718, 311240), (66960, 305467), (67770, 301816), (70029, 292080), (73020, 280116), (75454, 271080), (77810, 262872), (87624, 233430), (90360, 226362), (93372, 219060), (97360, 210087), (108432, 188635), (109530, 186744), (113181, 180720), (116715, 175248), (124496, 164295), (131436, 155620), (135540, 150908), (140058, 146040)]