2028307680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6550

約数の個数: 288

約数和(自身を含む): 8166832128

約数和(自身を除く): 6138524448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6491, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 12982, 13020, 14880, 15624, 17360, 19473, 19530, 20832, 22320, 25964, 26040, 31248, 32455, 34720, 38946, 39060, 44640, 45437, 51928, 52080, 58419, 62496, 64910, 77892, 78120, 90874, 97365, 103856, 104160, 116838, 129820, 136311, 155784, 156240, 181748, 194730, 201221, 207712, 227185, 233676, 259640, 272622, 292095, 311568, 312480, 363496, 389460, 402442, 408933, 454370, 467352, 519280, 545244, 584190, 603663, 623136, 681555, 726992, 778920, 804884, 817866, 908740, 934704, 1006105, 1038560, 1090488, 1168380, 1207326, 1363110, 1408547, 1453984, 1557840, 1609768, 1635732, 1810989, 1817480, 1869408, 2012210, 2044665, 2180976, 2336760, 2414652, 2726220, 2817094, 3018315, 3115680, 3219536, 3271464, 3621978, 3634960, 4024420, 4089330, 4225641, 4361952, 4673520, 4829304, 5452440, 5634188, 6036630, 6439072, 6542928, 7042735, 7243956, 7269920, 8048840, 8178660, 8451282, 9054945, 9347040, 9658608, 10904880, 11268376, 12073260, 12676923, 13085856, 14085470, 14487912, 16097680, 16357320, 16902564, 18109890, 19317216, 21128205, 21809760, 22536752, 24146520, 25353846, 28170940, 28975824, 32195360, 32714640, 33805128, 36219780, 42256410, 45073504, 48293040, 50707692, 56341880, 57951648, 63384615, 65429280, 67610256, 72439560, 84512820, 96586080, 101415384, 112683760, 126769230, 135220512, 144879120, 169025640, 202830768, 225367520, 253538460, 289758240, 338051280, 405661536, 507076920, 676102560, 1014153840, 2028307680]

約数ペア:

[(1, 2028307680), (2, 1014153840), (3, 676102560), (4, 507076920), (5, 405661536), (6, 338051280), (7, 289758240), (8, 253538460), (9, 225367520), (10, 202830768), (12, 169025640), (14, 144879120), (15, 135220512), (16, 126769230), (18, 112683760), (20, 101415384), (21, 96586080), (24, 84512820), (28, 72439560), (30, 67610256), (31, 65429280), (32, 63384615), (35, 57951648), (36, 56341880), (40, 50707692), (42, 48293040), (45, 45073504), (48, 42256410), (56, 36219780), (60, 33805128), (62, 32714640), (63, 32195360), (70, 28975824), (72, 28170940), (80, 25353846), (84, 24146520), (90, 22536752), (93, 21809760), (96, 21128205), (105, 19317216), (112, 18109890), (120, 16902564), (124, 16357320), (126, 16097680), (140, 14487912), (144, 14085470), (155, 13085856), (160, 12676923), (168, 12073260), (180, 11268376), (186, 10904880), (210, 9658608), (217, 9347040), (224, 9054945), (240, 8451282), (248, 8178660), (252, 8048840), (279, 7269920), (280, 7243956), (288, 7042735), (310, 6542928), (315, 6439072), (336, 6036630), (360, 5634188), (372, 5452440), (420, 4829304), (434, 4673520), (465, 4361952), (480, 4225641), (496, 4089330), (504, 4024420), (558, 3634960), (560, 3621978), (620, 3271464), (630, 3219536), (651, 3115680), (672, 3018315), (720, 2817094), (744, 2726220), (840, 2414652), (868, 2336760), (930, 2180976), (992, 2044665), (1008, 2012210), (1085, 1869408), (1116, 1817480), (1120, 1810989), (1240, 1635732), (1260, 1609768), (1302, 1557840), (1395, 1453984), (1440, 1408547), (1488, 1363110), (1680, 1207326), (1736, 1168380), (1860, 1090488), (1953, 1038560), (2016, 1006105), (2170, 934704), (2232, 908740), (2480, 817866), (2520, 804884), (2604, 778920), (2790, 726992), (2976, 681555), (3255, 623136), (3360, 603663), (3472, 584190), (3720, 545244), (3906, 519280), (4340, 467352), (4464, 454370), (4960, 408933), (5040, 402442), (5208, 389460), (5580, 363496), (6491, 312480), (6510, 311568), (6944, 292095), (7440, 272622), (7812, 259640), (8680, 233676), (8928, 227185), (9765, 207712), (10080, 201221), (10416, 194730), (11160, 181748), (12982, 156240), (13020, 155784), (14880, 136311), (15624, 129820), (17360, 116838), (19473, 104160), (19530, 103856), (20832, 97365), (22320, 90874), (25964, 78120), (26040, 77892), (31248, 64910), (32455, 62496), (34720, 58419), (38946, 52080), (39060, 51928), (44640, 45437)]