20407524480

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{168713}}^1$

素因数の和:168748

約数の個数: 256

約数和(自身を含む): 82602374400

約数和(自身を除く): 62194849920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 168713, 337426, 506139, 674852, 843565, 1012278, 1180991, 1349704, 1518417, 1687130, 2024556, 2361982, 2530695, 2699408, 3036834, 3374260, 3542973, 4049112, 4555251, 4723964, 5061390, 5398816, 5904955, 6073668, 6748520, 7085946, 7592085, 8098224, 9110502, 9447928, 10122780, 10628919, 10797632, 11809910, 12147336, 13497040, 14171892, 15184170, 16196448, 17714865, 18221004, 18895856, 20245560, 21257838, 21595264, 22776255, 23619820, 24294672, 26994080, 28343784, 30368340, 31886757, 32392896, 35429730, 36442008, 37791712, 40491120, 42515676, 45552510, 47239640, 48589344, 53144595, 53988160, 56687568, 60736680, 63773514, 64785792, 70859460, 72884016, 75583424, 80982240, 85031352, 91105020, 94479280, 97178688, 106289190, 107976320, 113375136, 121473360, 127547028, 141718920, 145768032, 151166848, 159433785, 161964480, 170062704, 182210040, 188958560, 194357376, 212578380, 226750272, 242946720, 255094056, 283437840, 291536064, 318867570, 323928960, 340125408, 364420080, 377917120, 425156760, 453500544, 485893440, 510188112, 566875680, 583072128, 637735140, 680250816, 728840160, 755834240, 850313520, 971786880, 1020376224, 1133751360, 1275470280, 1360501632, 1457680320, 1700627040, 2040752448, 2267502720, 2550940560, 2915360640, 3401254080, 4081504896, 5101881120, 6802508160, 10203762240, 20407524480]

約数ペア:

[(1, 20407524480), (2, 10203762240), (3, 6802508160), (4, 5101881120), (5, 4081504896), (6, 3401254080), (7, 2915360640), (8, 2550940560), (9, 2267502720), (10, 2040752448), (12, 1700627040), (14, 1457680320), (15, 1360501632), (16, 1275470280), (18, 1133751360), (20, 1020376224), (21, 971786880), (24, 850313520), (27, 755834240), (28, 728840160), (30, 680250816), (32, 637735140), (35, 583072128), (36, 566875680), (40, 510188112), (42, 485893440), (45, 453500544), (48, 425156760), (54, 377917120), (56, 364420080), (60, 340125408), (63, 323928960), (64, 318867570), (70, 291536064), (72, 283437840), (80, 255094056), (84, 242946720), (90, 226750272), (96, 212578380), (105, 194357376), (108, 188958560), (112, 182210040), (120, 170062704), (126, 161964480), (128, 159433785), (135, 151166848), (140, 145768032), (144, 141718920), (160, 127547028), (168, 121473360), (180, 113375136), (189, 107976320), (192, 106289190), (210, 97178688), (216, 94479280), (224, 91105020), (240, 85031352), (252, 80982240), (270, 75583424), (280, 72884016), (288, 70859460), (315, 64785792), (320, 63773514), (336, 60736680), (360, 56687568), (378, 53988160), (384, 53144595), (420, 48589344), (432, 47239640), (448, 45552510), (480, 42515676), (504, 40491120), (540, 37791712), (560, 36442008), (576, 35429730), (630, 32392896), (640, 31886757), (672, 30368340), (720, 28343784), (756, 26994080), (840, 24294672), (864, 23619820), (896, 22776255), (945, 21595264), (960, 21257838), (1008, 20245560), (1080, 18895856), (1120, 18221004), (1152, 17714865), (1260, 16196448), (1344, 15184170), (1440, 14171892), (1512, 13497040), (1680, 12147336), (1728, 11809910), (1890, 10797632), (1920, 10628919), (2016, 10122780), (2160, 9447928), (2240, 9110502), (2520, 8098224), (2688, 7592085), (2880, 7085946), (3024, 6748520), (3360, 6073668), (3456, 5904955), (3780, 5398816), (4032, 5061390), (4320, 4723964), (4480, 4555251), (5040, 4049112), (5760, 3542973), (6048, 3374260), (6720, 3036834), (7560, 2699408), (8064, 2530695), (8640, 2361982), (10080, 2024556), (12096, 1687130), (13440, 1518417), (15120, 1349704), (17280, 1180991), (20160, 1012278), (24192, 843565), (30240, 674852), (40320, 506139), (60480, 337426), (120960, 168713)]