20409621120

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{72313}}^1$

素因数の和:72352

約数の個数: 288

約数和(自身を含む): 81984551220

約数和(自身を除く): 61574930100

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5760, 5880, 6272, 6720, 7056, 7840, 8064, 8820, 9408, 10080, 11760, 13440, 14112, 15680, 17640, 18816, 20160, 23520, 28224, 31360, 35280, 40320, 47040, 56448, 70560, 72313, 94080, 141120, 144626, 216939, 282240, 289252, 361565, 433878, 506191, 578504, 650817, 723130, 867756, 1012382, 1084695, 1157008, 1301634, 1446260, 1518573, 1735512, 2024764, 2169390, 2314016, 2530955, 2603268, 2892520, 3037146, 3254085, 3471024, 3543337, 4049528, 4338780, 4555719, 4628032, 5061910, 5206536, 5785040, 6074292, 6508170, 6942048, 7086674, 7592865, 8099056, 8677560, 9111438, 9256064, 10123820, 10413072, 10630011, 11570080, 12148584, 13016340, 13884096, 14173348, 15185730, 16198112, 17355120, 17716685, 18222876, 20247640, 20826144, 21260022, 22778595, 23140160, 24297168, 26032680, 27768192, 28346696, 30371460, 31890033, 32396224, 34710240, 35433370, 36445752, 40495280, 41652288, 42520044, 45557190, 46280320, 48594336, 52065360, 53150055, 56693392, 60742920, 63780066, 64792448, 69420480, 70866740, 72891504, 80990560, 83304576, 85040088, 91114380, 97188672, 104130720, 106300110, 113386784, 121485840, 127560132, 138840960, 141733480, 145783008, 159450165, 161981120, 170080176, 182228760, 194377344, 208261440, 212600220, 226773568, 242971680, 255120264, 283466960, 291566016, 318900330, 323962240, 340160352, 364457520, 416522880, 425200440, 453547136, 485943360, 510240528, 566933920, 583132032, 637800660, 680320704, 728915040, 850400880, 971886720, 1020481056, 1133867840, 1275601320, 1360641408, 1457830080, 1700801760, 2040962112, 2267735680, 2551202640, 2915660160, 3401603520, 4081924224, 5102405280, 6803207040, 10204810560, 20409621120]

約数ペア:

[(1, 20409621120), (2, 10204810560), (3, 6803207040), (4, 5102405280), (5, 4081924224), (6, 3401603520), (7, 2915660160), (8, 2551202640), (9, 2267735680), (10, 2040962112), (12, 1700801760), (14, 1457830080), (15, 1360641408), (16, 1275601320), (18, 1133867840), (20, 1020481056), (21, 971886720), (24, 850400880), (28, 728915040), (30, 680320704), (32, 637800660), (35, 583132032), (36, 566933920), (40, 510240528), (42, 485943360), (45, 453547136), (48, 425200440), (49, 416522880), (56, 364457520), (60, 340160352), (63, 323962240), (64, 318900330), (70, 291566016), (72, 283466960), (80, 255120264), (84, 242971680), (90, 226773568), (96, 212600220), (98, 208261440), (105, 194377344), (112, 182228760), (120, 170080176), (126, 161981120), (128, 159450165), (140, 145783008), (144, 141733480), (147, 138840960), (160, 127560132), (168, 121485840), (180, 113386784), (192, 106300110), (196, 104130720), (210, 97188672), (224, 91114380), (240, 85040088), (245, 83304576), (252, 80990560), (280, 72891504), (288, 70866740), (294, 69420480), (315, 64792448), (320, 63780066), (336, 60742920), (360, 56693392), (384, 53150055), (392, 52065360), (420, 48594336), (441, 46280320), (448, 45557190), (480, 42520044), (490, 41652288), (504, 40495280), (560, 36445752), (576, 35433370), (588, 34710240), (630, 32396224), (640, 31890033), (672, 30371460), (720, 28346696), (735, 27768192), (784, 26032680), (840, 24297168), (882, 23140160), (896, 22778595), (960, 21260022), (980, 20826144), (1008, 20247640), (1120, 18222876), (1152, 17716685), (1176, 17355120), (1260, 16198112), (1344, 15185730), (1440, 14173348), (1470, 13884096), (1568, 13016340), (1680, 12148584), (1764, 11570080), (1920, 10630011), (1960, 10413072), (2016, 10123820), (2205, 9256064), (2240, 9111438), (2352, 8677560), (2520, 8099056), (2688, 7592865), (2880, 7086674), (2940, 6942048), (3136, 6508170), (3360, 6074292), (3528, 5785040), (3920, 5206536), (4032, 5061910), (4410, 4628032), (4480, 4555719), (4704, 4338780), (5040, 4049528), (5760, 3543337), (5880, 3471024), (6272, 3254085), (6720, 3037146), (7056, 2892520), (7840, 2603268), (8064, 2530955), (8820, 2314016), (9408, 2169390), (10080, 2024764), (11760, 1735512), (13440, 1518573), (14112, 1446260), (15680, 1301634), (17640, 1157008), (18816, 1084695), (20160, 1012382), (23520, 867756), (28224, 723130), (31360, 650817), (35280, 578504), (40320, 506191), (47040, 433878), (56448, 361565), (70560, 289252), (72313, 282240), (94080, 216939), (141120, 144626)]