21680799840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{69383}}^1$

素因数の和:69442

約数の個数: 288

約数和(自身を含む): 87283961856

約数和(自身を除く): 65603162016

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, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 62496, 69383, 78120, 104160, 138766, 156240, 208149, 277532, 312480, 346915, 416298, 485681, 555064, 624447, 693830, 832596, 971362, 1040745, 1110128, 1248894, 1387660, 1457043, 1665192, 1942724, 2081490, 2150873, 2220256, 2428405, 2497788, 2775320, 2914086, 3122235, 3330384, 3885448, 4162980, 4301746, 4371129, 4856810, 4995576, 5550640, 5828172, 6244470, 6452619, 6660768, 7285215, 7770896, 8325960, 8603492, 8742258, 9713620, 9991152, 10754365, 11101280, 11656344, 12488940, 12905238, 14570430, 15056111, 15541792, 16651920, 17206984, 17484516, 19357857, 19427240, 19982304, 21508730, 21855645, 23312688, 24977880, 25810476, 29140860, 30112222, 32263095, 33303840, 34413968, 34969032, 38715714, 38854480, 43017460, 43711290, 45168333, 46625376, 49955760, 51620952, 58281720, 60224444, 64526190, 68827936, 69938064, 75280555, 77431428, 77708960, 86034920, 87422580, 90336666, 96789285, 99911520, 103241904, 116563440, 120448888, 129052380, 135504999, 139876128, 150561110, 154862856, 172069840, 174845160, 180673332, 193578570, 206483808, 225841665, 233126880, 240897776, 258104760, 271009998, 301122220, 309725712, 344139680, 349690320, 361346664, 387157140, 451683330, 481795552, 516209520, 542019996, 602244440, 619451424, 677524995, 699380640, 722693328, 774314280, 903366660, 1032419040, 1084039992, 1204488880, 1355049990, 1445386656, 1548628560, 1806733320, 2168079984, 2408977760, 2710099980, 3097257120, 3613466640, 4336159968, 5420199960, 7226933280, 10840399920, 21680799840]

約数ペア:

[(1, 21680799840), (2, 10840399920), (3, 7226933280), (4, 5420199960), (5, 4336159968), (6, 3613466640), (7, 3097257120), (8, 2710099980), (9, 2408977760), (10, 2168079984), (12, 1806733320), (14, 1548628560), (15, 1445386656), (16, 1355049990), (18, 1204488880), (20, 1084039992), (21, 1032419040), (24, 903366660), (28, 774314280), (30, 722693328), (31, 699380640), (32, 677524995), (35, 619451424), (36, 602244440), (40, 542019996), (42, 516209520), (45, 481795552), (48, 451683330), (56, 387157140), (60, 361346664), (62, 349690320), (63, 344139680), (70, 309725712), (72, 301122220), (80, 271009998), (84, 258104760), (90, 240897776), (93, 233126880), (96, 225841665), (105, 206483808), (112, 193578570), (120, 180673332), (124, 174845160), (126, 172069840), (140, 154862856), (144, 150561110), (155, 139876128), (160, 135504999), (168, 129052380), (180, 120448888), (186, 116563440), (210, 103241904), (217, 99911520), (224, 96789285), (240, 90336666), (248, 87422580), (252, 86034920), (279, 77708960), (280, 77431428), (288, 75280555), (310, 69938064), (315, 68827936), (336, 64526190), (360, 60224444), (372, 58281720), (420, 51620952), (434, 49955760), (465, 46625376), (480, 45168333), (496, 43711290), (504, 43017460), (558, 38854480), (560, 38715714), (620, 34969032), (630, 34413968), (651, 33303840), (672, 32263095), (720, 30112222), (744, 29140860), (840, 25810476), (868, 24977880), (930, 23312688), (992, 21855645), (1008, 21508730), (1085, 19982304), (1116, 19427240), (1120, 19357857), (1240, 17484516), (1260, 17206984), (1302, 16651920), (1395, 15541792), (1440, 15056111), (1488, 14570430), (1680, 12905238), (1736, 12488940), (1860, 11656344), (1953, 11101280), (2016, 10754365), (2170, 9991152), (2232, 9713620), (2480, 8742258), (2520, 8603492), (2604, 8325960), (2790, 7770896), (2976, 7285215), (3255, 6660768), (3360, 6452619), (3472, 6244470), (3720, 5828172), (3906, 5550640), (4340, 4995576), (4464, 4856810), (4960, 4371129), (5040, 4301746), (5208, 4162980), (5580, 3885448), (6510, 3330384), (6944, 3122235), (7440, 2914086), (7812, 2775320), (8680, 2497788), (8928, 2428405), (9765, 2220256), (10080, 2150873), (10416, 2081490), (11160, 1942724), (13020, 1665192), (14880, 1457043), (15624, 1387660), (17360, 1248894), (19530, 1110128), (20832, 1040745), (22320, 971362), (26040, 832596), (31248, 693830), (34720, 624447), (39060, 555064), (44640, 485681), (52080, 416298), (62496, 346915), (69383, 312480), (78120, 277532), (104160, 208149), (138766, 156240)]