20645256000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{27749}}^1$

素因数の和:27810

約数の個数: 224

約数和(自身を含む): 70372224000

約数和(自身を除く): 49726968000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 125, 150, 155, 160, 186, 192, 200, 240, 248, 250, 300, 310, 320, 372, 375, 400, 465, 480, 496, 500, 600, 620, 744, 750, 775, 800, 930, 960, 992, 1000, 1200, 1240, 1488, 1500, 1550, 1600, 1860, 1984, 2000, 2325, 2400, 2480, 2976, 3000, 3100, 3720, 3875, 4000, 4650, 4800, 4960, 5952, 6000, 6200, 7440, 7750, 8000, 9300, 9920, 11625, 12000, 12400, 14880, 15500, 18600, 23250, 24000, 24800, 27749, 29760, 31000, 37200, 46500, 49600, 55498, 62000, 74400, 83247, 93000, 110996, 124000, 138745, 148800, 166494, 186000, 221992, 248000, 277490, 332988, 372000, 416235, 443984, 554980, 665976, 693725, 744000, 832470, 860219, 887968, 1109960, 1331952, 1387450, 1664940, 1720438, 1775936, 2081175, 2219920, 2580657, 2663904, 2774900, 3329880, 3440876, 3468625, 4162350, 4301095, 4439840, 5161314, 5327808, 5549800, 6659760, 6881752, 6937250, 8324700, 8602190, 8879680, 10322628, 10405875, 11099600, 12903285, 13319520, 13763504, 13874500, 16649400, 17204380, 20645256, 20811750, 21505475, 22199200, 25806570, 26639040, 27527008, 27749000, 33298800, 34408760, 41290512, 41623500, 43010950, 44398400, 51613140, 55054016, 55498000, 64516425, 66597600, 68817520, 82581024, 83247000, 86021900, 103226280, 107527375, 110996000, 129032850, 133195200, 137635040, 165162048, 166494000, 172043800, 206452560, 215054750, 221992000, 258065700, 275270080, 322582125, 332988000, 344087600, 412905120, 430109500, 516131400, 645164250, 665976000, 688175200, 825810240, 860219000, 1032262800, 1290328500, 1376350400, 1720438000, 2064525600, 2580657000, 3440876000, 4129051200, 5161314000, 6881752000, 10322628000, 20645256000]

約数ペア:

[(1, 20645256000), (2, 10322628000), (3, 6881752000), (4, 5161314000), (5, 4129051200), (6, 3440876000), (8, 2580657000), (10, 2064525600), (12, 1720438000), (15, 1376350400), (16, 1290328500), (20, 1032262800), (24, 860219000), (25, 825810240), (30, 688175200), (31, 665976000), (32, 645164250), (40, 516131400), (48, 430109500), (50, 412905120), (60, 344087600), (62, 332988000), (64, 322582125), (75, 275270080), (80, 258065700), (93, 221992000), (96, 215054750), (100, 206452560), (120, 172043800), (124, 166494000), (125, 165162048), (150, 137635040), (155, 133195200), (160, 129032850), (186, 110996000), (192, 107527375), (200, 103226280), (240, 86021900), (248, 83247000), (250, 82581024), (300, 68817520), (310, 66597600), (320, 64516425), (372, 55498000), (375, 55054016), (400, 51613140), (465, 44398400), (480, 43010950), (496, 41623500), (500, 41290512), (600, 34408760), (620, 33298800), (744, 27749000), (750, 27527008), (775, 26639040), (800, 25806570), (930, 22199200), (960, 21505475), (992, 20811750), (1000, 20645256), (1200, 17204380), (1240, 16649400), (1488, 13874500), (1500, 13763504), (1550, 13319520), (1600, 12903285), (1860, 11099600), (1984, 10405875), (2000, 10322628), (2325, 8879680), (2400, 8602190), (2480, 8324700), (2976, 6937250), (3000, 6881752), (3100, 6659760), (3720, 5549800), (3875, 5327808), (4000, 5161314), (4650, 4439840), (4800, 4301095), (4960, 4162350), (5952, 3468625), (6000, 3440876), (6200, 3329880), (7440, 2774900), (7750, 2663904), (8000, 2580657), (9300, 2219920), (9920, 2081175), (11625, 1775936), (12000, 1720438), (12400, 1664940), (14880, 1387450), (15500, 1331952), (18600, 1109960), (23250, 887968), (24000, 860219), (24800, 832470), (27749, 744000), (29760, 693725), (31000, 665976), (37200, 554980), (46500, 443984), (49600, 416235), (55498, 372000), (62000, 332988), (74400, 277490), (83247, 248000), (93000, 221992), (110996, 186000), (124000, 166494), (138745, 148800)]