1641386880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{40709}}^1$

素因数の和:40741

約数の個数: 192

約数和(自身を含む): 6477775200

約数和(自身を除く): 4836388320

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, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 40709, 81418, 122127, 162836, 203545, 244254, 284963, 325672, 366381, 407090, 488508, 569926, 610635, 651344, 732762, 814180, 854889, 977016, 1139852, 1221270, 1302688, 1424815, 1465524, 1628360, 1709778, 1831905, 1954032, 2279704, 2442540, 2564667, 2605376, 2849630, 2931048, 3256720, 3419556, 3663810, 3908064, 4274445, 4559408, 4885080, 5129334, 5210752, 5699260, 5862096, 6513440, 6839112, 7327620, 7816128, 8548890, 9118816, 9770160, 10258668, 11398520, 11724192, 12823335, 13026880, 13678224, 14655240, 15632256, 17097780, 18237632, 19540320, 20517336, 22797040, 23448384, 25646670, 26053760, 27356448, 29310480, 34195560, 36475264, 39080640, 41034672, 45594080, 46896768, 51293340, 54712896, 58620960, 68391120, 78161280, 82069344, 91188160, 102586680, 109425792, 117241920, 136782240, 164138688, 182376320, 205173360, 234483840, 273564480, 328277376, 410346720, 547128960, 820693440, 1641386880]

約数ペア:

[(1, 1641386880), (2, 820693440), (3, 547128960), (4, 410346720), (5, 328277376), (6, 273564480), (7, 234483840), (8, 205173360), (9, 182376320), (10, 164138688), (12, 136782240), (14, 117241920), (15, 109425792), (16, 102586680), (18, 91188160), (20, 82069344), (21, 78161280), (24, 68391120), (28, 58620960), (30, 54712896), (32, 51293340), (35, 46896768), (36, 45594080), (40, 41034672), (42, 39080640), (45, 36475264), (48, 34195560), (56, 29310480), (60, 27356448), (63, 26053760), (64, 25646670), (70, 23448384), (72, 22797040), (80, 20517336), (84, 19540320), (90, 18237632), (96, 17097780), (105, 15632256), (112, 14655240), (120, 13678224), (126, 13026880), (128, 12823335), (140, 11724192), (144, 11398520), (160, 10258668), (168, 9770160), (180, 9118816), (192, 8548890), (210, 7816128), (224, 7327620), (240, 6839112), (252, 6513440), (280, 5862096), (288, 5699260), (315, 5210752), (320, 5129334), (336, 4885080), (360, 4559408), (384, 4274445), (420, 3908064), (448, 3663810), (480, 3419556), (504, 3256720), (560, 2931048), (576, 2849630), (630, 2605376), (640, 2564667), (672, 2442540), (720, 2279704), (840, 1954032), (896, 1831905), (960, 1709778), (1008, 1628360), (1120, 1465524), (1152, 1424815), (1260, 1302688), (1344, 1221270), (1440, 1139852), (1680, 977016), (1920, 854889), (2016, 814180), (2240, 732762), (2520, 651344), (2688, 610635), (2880, 569926), (3360, 488508), (4032, 407090), (4480, 366381), (5040, 325672), (5760, 284963), (6720, 244254), (8064, 203545), (10080, 162836), (13440, 122127), (20160, 81418), (40320, 40709)]