20183152640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 288

約数和(自身を含む): 57384119520

約数和(自身を除く): 37200966880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 293, 310, 320, 434, 448, 496, 512, 560, 586, 620, 640, 868, 896, 961, 992, 1024, 1085, 1120, 1172, 1240, 1280, 1465, 1736, 1792, 1922, 1984, 2048, 2051, 2170, 2240, 2344, 2480, 2560, 2930, 3472, 3584, 3844, 3968, 4102, 4340, 4480, 4688, 4805, 4960, 5120, 5860, 6727, 6944, 7168, 7688, 7936, 8204, 8680, 8960, 9083, 9376, 9610, 9920, 10240, 10255, 11720, 13454, 13888, 14336, 15376, 15872, 16408, 17360, 17920, 18166, 18752, 19220, 19840, 20510, 23440, 26908, 27776, 30752, 31744, 32816, 33635, 34720, 35840, 36332, 37504, 38440, 39680, 41020, 45415, 46880, 53816, 55552, 61504, 63488, 63581, 65632, 67270, 69440, 71680, 72664, 75008, 76880, 79360, 82040, 90830, 93760, 107632, 111104, 123008, 127162, 131264, 134540, 138880, 145328, 150016, 153760, 158720, 164080, 181660, 187520, 215264, 222208, 246016, 254324, 262528, 269080, 277760, 281573, 290656, 300032, 307520, 317440, 317905, 328160, 363320, 375040, 430528, 444416, 492032, 508648, 525056, 538160, 555520, 563146, 581312, 600064, 615040, 635810, 656320, 726640, 750080, 861056, 984064, 1017296, 1050112, 1076320, 1111040, 1126292, 1162624, 1230080, 1271620, 1312640, 1407865, 1453280, 1500160, 1722112, 1968128, 1971011, 2034592, 2100224, 2152640, 2222080, 2252584, 2325248, 2460160, 2543240, 2625280, 2815730, 2906560, 3000320, 3444224, 3942022, 4069184, 4200448, 4305280, 4505168, 4650496, 4920320, 5086480, 5250560, 5631460, 5813120, 6888448, 7884044, 8138368, 8610560, 9010336, 9300992, 9840640, 9855055, 10172960, 10501120, 11262920, 11626240, 13776896, 15768088, 16276736, 17221120, 18020672, 18601984, 19710110, 20345920, 21002240, 22525840, 23252480, 31536176, 32553472, 34442240, 36041344, 39420220, 40691840, 45051680, 46504960, 63072352, 65106944, 68884480, 72082688, 78840440, 81383680, 90103360, 93009920, 126144704, 130213888, 144165376, 157680880, 162767360, 180206720, 252289408, 288330752, 315361760, 325534720, 360413440, 504578816, 576661504, 630723520, 651069440, 720826880, 1009157632, 1261447040, 1441653760, 2018315264, 2522894080, 2883307520, 4036630528, 5045788160, 10091576320, 20183152640]

約数ペア:

[(1, 20183152640), (2, 10091576320), (4, 5045788160), (5, 4036630528), (7, 2883307520), (8, 2522894080), (10, 2018315264), (14, 1441653760), (16, 1261447040), (20, 1009157632), (28, 720826880), (31, 651069440), (32, 630723520), (35, 576661504), (40, 504578816), (56, 360413440), (62, 325534720), (64, 315361760), (70, 288330752), (80, 252289408), (112, 180206720), (124, 162767360), (128, 157680880), (140, 144165376), (155, 130213888), (160, 126144704), (217, 93009920), (224, 90103360), (248, 81383680), (256, 78840440), (280, 72082688), (293, 68884480), (310, 65106944), (320, 63072352), (434, 46504960), (448, 45051680), (496, 40691840), (512, 39420220), (560, 36041344), (586, 34442240), (620, 32553472), (640, 31536176), (868, 23252480), (896, 22525840), (961, 21002240), (992, 20345920), (1024, 19710110), (1085, 18601984), (1120, 18020672), (1172, 17221120), (1240, 16276736), (1280, 15768088), (1465, 13776896), (1736, 11626240), (1792, 11262920), (1922, 10501120), (1984, 10172960), (2048, 9855055), (2051, 9840640), (2170, 9300992), (2240, 9010336), (2344, 8610560), (2480, 8138368), (2560, 7884044), (2930, 6888448), (3472, 5813120), (3584, 5631460), (3844, 5250560), (3968, 5086480), (4102, 4920320), (4340, 4650496), (4480, 4505168), (4688, 4305280), (4805, 4200448), (4960, 4069184), (5120, 3942022), (5860, 3444224), (6727, 3000320), (6944, 2906560), (7168, 2815730), (7688, 2625280), (7936, 2543240), (8204, 2460160), (8680, 2325248), (8960, 2252584), (9083, 2222080), (9376, 2152640), (9610, 2100224), (9920, 2034592), (10240, 1971011), (10255, 1968128), (11720, 1722112), (13454, 1500160), (13888, 1453280), (14336, 1407865), (15376, 1312640), (15872, 1271620), (16408, 1230080), (17360, 1162624), (17920, 1126292), (18166, 1111040), (18752, 1076320), (19220, 1050112), (19840, 1017296), (20510, 984064), (23440, 861056), (26908, 750080), (27776, 726640), (30752, 656320), (31744, 635810), (32816, 615040), (33635, 600064), (34720, 581312), (35840, 563146), (36332, 555520), (37504, 538160), (38440, 525056), (39680, 508648), (41020, 492032), (45415, 444416), (46880, 430528), (53816, 375040), (55552, 363320), (61504, 328160), (63488, 317905), (63581, 317440), (65632, 307520), (67270, 300032), (69440, 290656), (71680, 281573), (72664, 277760), (75008, 269080), (76880, 262528), (79360, 254324), (82040, 246016), (90830, 222208), (93760, 215264), (107632, 187520), (111104, 181660), (123008, 164080), (127162, 158720), (131264, 153760), (134540, 150016), (138880, 145328)]