20791800000

素因数分解:

$2^6\times 3^2\times 5^5\times {\mathrm{11551}}^1$

素因数の和:11594

約数の個数: 252

約数和(自身を含む): 74496606912

約数和(自身を除く): 53704806912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 400, 450, 480, 500, 576, 600, 625, 720, 750, 800, 900, 960, 1000, 1125, 1200, 1250, 1440, 1500, 1600, 1800, 1875, 2000, 2250, 2400, 2500, 2880, 3000, 3125, 3600, 3750, 4000, 4500, 4800, 5000, 5625, 6000, 6250, 7200, 7500, 8000, 9000, 9375, 10000, 11250, 11551, 12000, 12500, 14400, 15000, 18000, 18750, 20000, 22500, 23102, 24000, 25000, 28125, 30000, 34653, 36000, 37500, 40000, 45000, 46204, 50000, 56250, 57755, 60000, 69306, 72000, 75000, 90000, 92408, 100000, 103959, 112500, 115510, 120000, 138612, 150000, 173265, 180000, 184816, 200000, 207918, 225000, 231020, 277224, 288775, 300000, 346530, 360000, 369632, 415836, 450000, 462040, 519795, 554448, 577550, 600000, 693060, 739264, 831672, 866325, 900000, 924080, 1039590, 1108896, 1155100, 1386120, 1443875, 1663344, 1732650, 1800000, 1848160, 2079180, 2217792, 2310200, 2598975, 2772240, 2887750, 3326688, 3465300, 3696320, 4158360, 4331625, 4620400, 5197950, 5544480, 5775500, 6653376, 6930600, 7219375, 8316720, 8663250, 9240800, 10395900, 11088960, 11551000, 12994875, 13861200, 14438750, 16633440, 17326500, 18481600, 20791800, 21658125, 23102000, 25989750, 27722400, 28877500, 33266880, 34653000, 36096875, 41583600, 43316250, 46204000, 51979500, 55444800, 57755000, 64974375, 69306000, 72193750, 83167200, 86632500, 92408000, 103959000, 108290625, 115510000, 129948750, 138612000, 144387500, 166334400, 173265000, 207918000, 216581250, 231020000, 259897500, 277224000, 288775000, 324871875, 346530000, 415836000, 433162500, 462040000, 519795000, 577550000, 649743750, 693060000, 831672000, 866325000, 1039590000, 1155100000, 1299487500, 1386120000, 1732650000, 2079180000, 2310200000, 2598975000, 3465300000, 4158360000, 5197950000, 6930600000, 10395900000, 20791800000]

約数ペア:

[(1, 20791800000), (2, 10395900000), (3, 6930600000), (4, 5197950000), (5, 4158360000), (6, 3465300000), (8, 2598975000), (9, 2310200000), (10, 2079180000), (12, 1732650000), (15, 1386120000), (16, 1299487500), (18, 1155100000), (20, 1039590000), (24, 866325000), (25, 831672000), (30, 693060000), (32, 649743750), (36, 577550000), (40, 519795000), (45, 462040000), (48, 433162500), (50, 415836000), (60, 346530000), (64, 324871875), (72, 288775000), (75, 277224000), (80, 259897500), (90, 231020000), (96, 216581250), (100, 207918000), (120, 173265000), (125, 166334400), (144, 144387500), (150, 138612000), (160, 129948750), (180, 115510000), (192, 108290625), (200, 103959000), (225, 92408000), (240, 86632500), (250, 83167200), (288, 72193750), (300, 69306000), (320, 64974375), (360, 57755000), (375, 55444800), (400, 51979500), (450, 46204000), (480, 43316250), (500, 41583600), (576, 36096875), (600, 34653000), (625, 33266880), (720, 28877500), (750, 27722400), (800, 25989750), (900, 23102000), (960, 21658125), (1000, 20791800), (1125, 18481600), (1200, 17326500), (1250, 16633440), (1440, 14438750), (1500, 13861200), (1600, 12994875), (1800, 11551000), (1875, 11088960), (2000, 10395900), (2250, 9240800), (2400, 8663250), (2500, 8316720), (2880, 7219375), (3000, 6930600), (3125, 6653376), (3600, 5775500), (3750, 5544480), (4000, 5197950), (4500, 4620400), (4800, 4331625), (5000, 4158360), (5625, 3696320), (6000, 3465300), (6250, 3326688), (7200, 2887750), (7500, 2772240), (8000, 2598975), (9000, 2310200), (9375, 2217792), (10000, 2079180), (11250, 1848160), (11551, 1800000), (12000, 1732650), (12500, 1663344), (14400, 1443875), (15000, 1386120), (18000, 1155100), (18750, 1108896), (20000, 1039590), (22500, 924080), (23102, 900000), (24000, 866325), (25000, 831672), (28125, 739264), (30000, 693060), (34653, 600000), (36000, 577550), (37500, 554448), (40000, 519795), (45000, 462040), (46204, 450000), (50000, 415836), (56250, 369632), (57755, 360000), (60000, 346530), (69306, 300000), (72000, 288775), (75000, 277224), (90000, 231020), (92408, 225000), (100000, 207918), (103959, 200000), (112500, 184816), (115510, 180000), (120000, 173265), (138612, 150000)]