20688536960

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1714

約数の個数: 384

約数和(自身を含む): 63996791040

約数和(自身を除く): 43308254080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 62, 64, 65, 70, 80, 91, 98, 104, 112, 124, 128, 130, 140, 155, 160, 182, 196, 208, 217, 224, 245, 248, 260, 280, 310, 320, 364, 392, 403, 416, 434, 448, 455, 490, 496, 520, 560, 620, 637, 640, 728, 784, 806, 832, 868, 896, 910, 980, 992, 1040, 1085, 1120, 1240, 1274, 1456, 1519, 1568, 1612, 1637, 1664, 1736, 1820, 1960, 1984, 2015, 2080, 2170, 2240, 2480, 2548, 2821, 2912, 3038, 3136, 3185, 3224, 3274, 3472, 3640, 3920, 3968, 4030, 4160, 4340, 4480, 4960, 5096, 5642, 5824, 6076, 6272, 6370, 6448, 6548, 6944, 7280, 7595, 7840, 8060, 8185, 8320, 8680, 9920, 10192, 11284, 11459, 11648, 12152, 12740, 12896, 13096, 13888, 14105, 14560, 15190, 15680, 16120, 16370, 17360, 19747, 19840, 20384, 21281, 22568, 22918, 24304, 25480, 25792, 26192, 27776, 28210, 29120, 30380, 31360, 32240, 32740, 34720, 39494, 40768, 42562, 45136, 45836, 48608, 50747, 50960, 51584, 52384, 56420, 57295, 58240, 60760, 64480, 65480, 69440, 78988, 80213, 81536, 85124, 90272, 91672, 97216, 98735, 101494, 101920, 104768, 106405, 112840, 114590, 121520, 128960, 130960, 138880, 148967, 157976, 160426, 170248, 180544, 183344, 194432, 197470, 202988, 203840, 209536, 212810, 225680, 229180, 243040, 253735, 257920, 261920, 297934, 315952, 320852, 340496, 355229, 361088, 366688, 394940, 401065, 405976, 407680, 425620, 451360, 458360, 486080, 507470, 523840, 595868, 631904, 641704, 659711, 680992, 710458, 733376, 744835, 789880, 802130, 811952, 851240, 902720, 916720, 972160, 1014940, 1042769, 1047680, 1191736, 1263808, 1283408, 1319422, 1361984, 1420916, 1466752, 1489670, 1579760, 1604260, 1623904, 1702480, 1776145, 1805440, 1833440, 2029880, 2085538, 2383472, 2486603, 2527616, 2566816, 2638844, 2723968, 2841832, 2979340, 3159520, 3208520, 3247808, 3298555, 3404960, 3552290, 3666880, 4059760, 4171076, 4617977, 4766944, 4973206, 5133632, 5213845, 5277688, 5683664, 5958680, 6319040, 6417040, 6495616, 6597110, 6809920, 7104580, 7333760, 8119520, 8342152, 9235954, 9533888, 9946412, 10267264, 10427690, 10555376, 11367328, 11917360, 12433015, 12638080, 12834080, 13194220, 13619840, 14209160, 16239040, 16684304, 18471908, 19067776, 19892824, 20855380, 21110752, 22734656, 23089885, 23834720, 24866030, 25668160, 26388440, 28418320, 32325839, 32478080, 33368608, 36943816, 39785648, 41710760, 42221504, 45469312, 46179770, 47669440, 49732060, 51336320, 52776880, 56836640, 64651678, 66737216, 73887632, 79571296, 83421520, 84443008, 92359540, 95338880, 99464120, 105553760, 113673280, 129303356, 133474432, 147775264, 159142592, 161629195, 166843040, 184719080, 198928240, 211107520, 227346560, 258606712, 295550528, 318285184, 323258390, 333686080, 369438160, 397856480, 422215040, 517213424, 591101056, 646516780, 667372160, 738876320, 795712960, 1034426848, 1293033560, 1477752640, 1591425920, 2068853696, 2586067120, 2955505280, 4137707392, 5172134240, 10344268480, 20688536960]

約数ペア:

[(1, 20688536960), (2, 10344268480), (4, 5172134240), (5, 4137707392), (7, 2955505280), (8, 2586067120), (10, 2068853696), (13, 1591425920), (14, 1477752640), (16, 1293033560), (20, 1034426848), (26, 795712960), (28, 738876320), (31, 667372160), (32, 646516780), (35, 591101056), (40, 517213424), (49, 422215040), (52, 397856480), (56, 369438160), (62, 333686080), (64, 323258390), (65, 318285184), (70, 295550528), (80, 258606712), (91, 227346560), (98, 211107520), (104, 198928240), (112, 184719080), (124, 166843040), (128, 161629195), (130, 159142592), (140, 147775264), (155, 133474432), (160, 129303356), (182, 113673280), (196, 105553760), (208, 99464120), (217, 95338880), (224, 92359540), (245, 84443008), (248, 83421520), (260, 79571296), (280, 73887632), (310, 66737216), (320, 64651678), (364, 56836640), (392, 52776880), (403, 51336320), (416, 49732060), (434, 47669440), (448, 46179770), (455, 45469312), (490, 42221504), (496, 41710760), (520, 39785648), (560, 36943816), (620, 33368608), (637, 32478080), (640, 32325839), (728, 28418320), (784, 26388440), (806, 25668160), (832, 24866030), (868, 23834720), (896, 23089885), (910, 22734656), (980, 21110752), (992, 20855380), (1040, 19892824), (1085, 19067776), (1120, 18471908), (1240, 16684304), (1274, 16239040), (1456, 14209160), (1519, 13619840), (1568, 13194220), (1612, 12834080), (1637, 12638080), (1664, 12433015), (1736, 11917360), (1820, 11367328), (1960, 10555376), (1984, 10427690), (2015, 10267264), (2080, 9946412), (2170, 9533888), (2240, 9235954), (2480, 8342152), (2548, 8119520), (2821, 7333760), (2912, 7104580), (3038, 6809920), (3136, 6597110), (3185, 6495616), (3224, 6417040), (3274, 6319040), (3472, 5958680), (3640, 5683664), (3920, 5277688), (3968, 5213845), (4030, 5133632), (4160, 4973206), (4340, 4766944), (4480, 4617977), (4960, 4171076), (5096, 4059760), (5642, 3666880), (5824, 3552290), (6076, 3404960), (6272, 3298555), (6370, 3247808), (6448, 3208520), (6548, 3159520), (6944, 2979340), (7280, 2841832), (7595, 2723968), (7840, 2638844), (8060, 2566816), (8185, 2527616), (8320, 2486603), (8680, 2383472), (9920, 2085538), (10192, 2029880), (11284, 1833440), (11459, 1805440), (11648, 1776145), (12152, 1702480), (12740, 1623904), (12896, 1604260), (13096, 1579760), (13888, 1489670), (14105, 1466752), (14560, 1420916), (15190, 1361984), (15680, 1319422), (16120, 1283408), (16370, 1263808), (17360, 1191736), (19747, 1047680), (19840, 1042769), (20384, 1014940), (21281, 972160), (22568, 916720), (22918, 902720), (24304, 851240), (25480, 811952), (25792, 802130), (26192, 789880), (27776, 744835), (28210, 733376), (29120, 710458), (30380, 680992), (31360, 659711), (32240, 641704), (32740, 631904), (34720, 595868), (39494, 523840), (40768, 507470), (42562, 486080), (45136, 458360), (45836, 451360), (48608, 425620), (50747, 407680), (50960, 405976), (51584, 401065), (52384, 394940), (56420, 366688), (57295, 361088), (58240, 355229), (60760, 340496), (64480, 320852), (65480, 315952), (69440, 297934), (78988, 261920), (80213, 257920), (81536, 253735), (85124, 243040), (90272, 229180), (91672, 225680), (97216, 212810), (98735, 209536), (101494, 203840), (101920, 202988), (104768, 197470), (106405, 194432), (112840, 183344), (114590, 180544), (121520, 170248), (128960, 160426), (130960, 157976), (138880, 148967)]