19984510080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{60869}}^1$

素因数の和:60916

約数の個数: 256

約数和(自身を含む): 74504880000

約数和(自身を除く): 54520369920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 4104, 4320, 4560, 5130, 5472, 5760, 6080, 6840, 7296, 8208, 8640, 9120, 10260, 10944, 12160, 13680, 16416, 17280, 18240, 20520, 21888, 27360, 32832, 36480, 41040, 54720, 60869, 65664, 82080, 109440, 121738, 164160, 182607, 243476, 304345, 328320, 365214, 486952, 547821, 608690, 730428, 913035, 973904, 1095642, 1156511, 1217380, 1460856, 1643463, 1826070, 1947808, 2191284, 2313022, 2434760, 2739105, 2921712, 3286926, 3469533, 3652140, 3895616, 4382568, 4626044, 4869520, 5478210, 5782555, 5843424, 6573852, 6939066, 7304280, 7791232, 8217315, 8765136, 9252088, 9739040, 10408599, 10956420, 11565110, 11686848, 13147704, 13878132, 14608560, 16434630, 17347665, 17530272, 18504176, 19478080, 20817198, 21912840, 23130220, 23373696, 26295408, 27756264, 29217120, 31225797, 32869260, 34695330, 35060544, 37008352, 38956160, 41634396, 43825680, 46260440, 52042995, 52590816, 55512528, 58434240, 62451594, 65738520, 69390660, 70121088, 74016704, 83268792, 87651360, 92520880, 104085990, 105181632, 111025056, 116868480, 124903188, 131477040, 138781320, 148033408, 156128985, 166537584, 175302720, 185041760, 208171980, 210363264, 222050112, 249806376, 262954080, 277562640, 312257970, 333075168, 350605440, 370083520, 416343960, 444100224, 499612752, 525908160, 555125280, 624515940, 666150336, 740167040, 832687920, 999225504, 1051816320, 1110250560, 1249031880, 1332300672, 1665375840, 1998451008, 2220501120, 2498063760, 3330751680, 3996902016, 4996127520, 6661503360, 9992255040, 19984510080]

約数ペア:

[(1, 19984510080), (2, 9992255040), (3, 6661503360), (4, 4996127520), (5, 3996902016), (6, 3330751680), (8, 2498063760), (9, 2220501120), (10, 1998451008), (12, 1665375840), (15, 1332300672), (16, 1249031880), (18, 1110250560), (19, 1051816320), (20, 999225504), (24, 832687920), (27, 740167040), (30, 666150336), (32, 624515940), (36, 555125280), (38, 525908160), (40, 499612752), (45, 444100224), (48, 416343960), (54, 370083520), (57, 350605440), (60, 333075168), (64, 312257970), (72, 277562640), (76, 262954080), (80, 249806376), (90, 222050112), (95, 210363264), (96, 208171980), (108, 185041760), (114, 175302720), (120, 166537584), (128, 156128985), (135, 148033408), (144, 138781320), (152, 131477040), (160, 124903188), (171, 116868480), (180, 111025056), (190, 105181632), (192, 104085990), (216, 92520880), (228, 87651360), (240, 83268792), (270, 74016704), (285, 70121088), (288, 69390660), (304, 65738520), (320, 62451594), (342, 58434240), (360, 55512528), (380, 52590816), (384, 52042995), (432, 46260440), (456, 43825680), (480, 41634396), (513, 38956160), (540, 37008352), (570, 35060544), (576, 34695330), (608, 32869260), (640, 31225797), (684, 29217120), (720, 27756264), (760, 26295408), (855, 23373696), (864, 23130220), (912, 21912840), (960, 20817198), (1026, 19478080), (1080, 18504176), (1140, 17530272), (1152, 17347665), (1216, 16434630), (1368, 14608560), (1440, 13878132), (1520, 13147704), (1710, 11686848), (1728, 11565110), (1824, 10956420), (1920, 10408599), (2052, 9739040), (2160, 9252088), (2280, 8765136), (2432, 8217315), (2565, 7791232), (2736, 7304280), (2880, 6939066), (3040, 6573852), (3420, 5843424), (3456, 5782555), (3648, 5478210), (4104, 4869520), (4320, 4626044), (4560, 4382568), (5130, 3895616), (5472, 3652140), (5760, 3469533), (6080, 3286926), (6840, 2921712), (7296, 2739105), (8208, 2434760), (8640, 2313022), (9120, 2191284), (10260, 1947808), (10944, 1826070), (12160, 1643463), (13680, 1460856), (16416, 1217380), (17280, 1156511), (18240, 1095642), (20520, 973904), (21888, 913035), (27360, 730428), (32832, 608690), (36480, 547821), (41040, 486952), (54720, 365214), (60869, 328320), (65664, 304345), (82080, 243476), (109440, 182607), (121738, 164160)]