20747221200

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 360

約数和(自身を含む): 76341840000

約数和(自身を除く): 55594618800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 48, 50, 54, 60, 62, 72, 75, 80, 90, 93, 100, 108, 120, 124, 135, 144, 150, 155, 180, 186, 200, 216, 225, 240, 248, 270, 279, 300, 310, 360, 372, 400, 432, 450, 465, 496, 540, 558, 600, 620, 675, 720, 744, 775, 837, 900, 930, 961, 1080, 1116, 1200, 1240, 1350, 1395, 1488, 1550, 1674, 1800, 1860, 1922, 1999, 2160, 2232, 2325, 2480, 2700, 2790, 2883, 3100, 3348, 3600, 3720, 3844, 3998, 4185, 4464, 4650, 4805, 5400, 5580, 5766, 5997, 6200, 6696, 6975, 7440, 7688, 7996, 8370, 8649, 9300, 9610, 9995, 10800, 11160, 11532, 11994, 12400, 13392, 13950, 14415, 15376, 15992, 16740, 17298, 17991, 18600, 19220, 19990, 20925, 22320, 23064, 23988, 24025, 25947, 27900, 28830, 29985, 31984, 33480, 34596, 35982, 37200, 38440, 39980, 41850, 43245, 46128, 47976, 48050, 49975, 51894, 53973, 55800, 57660, 59970, 61969, 66960, 69192, 71964, 72075, 76880, 79960, 83700, 86490, 89955, 95952, 96100, 99950, 103788, 107946, 111600, 115320, 119940, 123938, 129735, 138384, 143928, 144150, 149925, 159920, 167400, 172980, 179910, 185907, 192200, 199900, 207576, 215892, 216225, 230640, 239880, 247876, 259470, 269865, 287856, 288300, 299850, 309845, 334800, 345960, 359820, 371814, 384400, 399800, 415152, 431784, 432450, 449775, 479760, 495752, 518940, 539730, 557721, 576600, 599700, 619690, 648675, 691920, 719640, 743628, 799600, 863568, 864900, 899550, 929535, 991504, 1037880, 1079460, 1115442, 1153200, 1199400, 1239380, 1297350, 1349325, 1439280, 1487256, 1549225, 1673163, 1729800, 1799100, 1859070, 1921039, 2075760, 2158920, 2230884, 2398800, 2478760, 2594700, 2698650, 2788605, 2974512, 3098450, 3346326, 3459600, 3598200, 3718140, 3842078, 4317840, 4461768, 4647675, 4957520, 5189400, 5397300, 5577210, 5763117, 6196900, 6692652, 7196400, 7436280, 7684156, 8365815, 8923536, 9295350, 9605195, 10378800, 10794600, 11154420, 11526234, 12393800, 13385304, 13943025, 14872560, 15368312, 16731630, 17289351, 18590700, 19210390, 21589200, 22308840, 23052468, 24787600, 26770608, 27886050, 28815585, 30736624, 33463260, 34578702, 37181400, 38420780, 41829075, 44617680, 46104936, 48025975, 51868053, 55772100, 57631170, 66926520, 69157404, 74362800, 76841560, 83658150, 86446755, 92209872, 96051950, 103736106, 111544200, 115262340, 133853040, 138314808, 144077925, 153683120, 167316300, 172893510, 192103900, 207472212, 223088400, 230524680, 259340265, 276629616, 288155850, 334632600, 345787020, 384207800, 414944424, 432233775, 461049360, 518680530, 576311700, 669265200, 691574040, 768415600, 829888848, 864467550, 1037361060, 1152623400, 1296701325, 1383148080, 1728935100, 2074722120, 2305246800, 2593402650, 3457870200, 4149444240, 5186805300, 6915740400, 10373610600, 20747221200]

約数ペア:

[(1, 20747221200), (2, 10373610600), (3, 6915740400), (4, 5186805300), (5, 4149444240), (6, 3457870200), (8, 2593402650), (9, 2305246800), (10, 2074722120), (12, 1728935100), (15, 1383148080), (16, 1296701325), (18, 1152623400), (20, 1037361060), (24, 864467550), (25, 829888848), (27, 768415600), (30, 691574040), (31, 669265200), (36, 576311700), (40, 518680530), (45, 461049360), (48, 432233775), (50, 414944424), (54, 384207800), (60, 345787020), (62, 334632600), (72, 288155850), (75, 276629616), (80, 259340265), (90, 230524680), (93, 223088400), (100, 207472212), (108, 192103900), (120, 172893510), (124, 167316300), (135, 153683120), (144, 144077925), (150, 138314808), (155, 133853040), (180, 115262340), (186, 111544200), (200, 103736106), (216, 96051950), (225, 92209872), (240, 86446755), (248, 83658150), (270, 76841560), (279, 74362800), (300, 69157404), (310, 66926520), (360, 57631170), (372, 55772100), (400, 51868053), (432, 48025975), (450, 46104936), (465, 44617680), (496, 41829075), (540, 38420780), (558, 37181400), (600, 34578702), (620, 33463260), (675, 30736624), (720, 28815585), (744, 27886050), (775, 26770608), (837, 24787600), (900, 23052468), (930, 22308840), (961, 21589200), (1080, 19210390), (1116, 18590700), (1200, 17289351), (1240, 16731630), (1350, 15368312), (1395, 14872560), (1488, 13943025), (1550, 13385304), (1674, 12393800), (1800, 11526234), (1860, 11154420), (1922, 10794600), (1999, 10378800), (2160, 9605195), (2232, 9295350), (2325, 8923536), (2480, 8365815), (2700, 7684156), (2790, 7436280), (2883, 7196400), (3100, 6692652), (3348, 6196900), (3600, 5763117), (3720, 5577210), (3844, 5397300), (3998, 5189400), (4185, 4957520), (4464, 4647675), (4650, 4461768), (4805, 4317840), (5400, 3842078), (5580, 3718140), (5766, 3598200), (5997, 3459600), (6200, 3346326), (6696, 3098450), (6975, 2974512), (7440, 2788605), (7688, 2698650), (7996, 2594700), (8370, 2478760), (8649, 2398800), (9300, 2230884), (9610, 2158920), (9995, 2075760), (10800, 1921039), (11160, 1859070), (11532, 1799100), (11994, 1729800), (12400, 1673163), (13392, 1549225), (13950, 1487256), (14415, 1439280), (15376, 1349325), (15992, 1297350), (16740, 1239380), (17298, 1199400), (17991, 1153200), (18600, 1115442), (19220, 1079460), (19990, 1037880), (20925, 991504), (22320, 929535), (23064, 899550), (23988, 864900), (24025, 863568), (25947, 799600), (27900, 743628), (28830, 719640), (29985, 691920), (31984, 648675), (33480, 619690), (34596, 599700), (35982, 576600), (37200, 557721), (38440, 539730), (39980, 518940), (41850, 495752), (43245, 479760), (46128, 449775), (47976, 432450), (48050, 431784), (49975, 415152), (51894, 399800), (53973, 384400), (55800, 371814), (57660, 359820), (59970, 345960), (61969, 334800), (66960, 309845), (69192, 299850), (71964, 288300), (72075, 287856), (76880, 269865), (79960, 259470), (83700, 247876), (86490, 239880), (89955, 230640), (95952, 216225), (96100, 215892), (99950, 207576), (103788, 199900), (107946, 192200), (111600, 185907), (115320, 179910), (119940, 172980), (123938, 167400), (129735, 159920), (138384, 149925), (143928, 144150)]