1609655040

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19995

約数の個数: 216

約数和(自身を含む): 6365163168

約数和(自身を除く): 4755508128

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 19961, 20160, 26880, 39922, 40320, 59883, 79844, 80640, 99805, 119766, 139727, 159688, 179649, 199610, 239532, 279454, 299415, 319376, 359298, 399220, 419181, 479064, 558908, 598830, 638752, 698635, 718596, 798440, 838362, 898245, 958128, 1117816, 1197660, 1257543, 1277504, 1397270, 1437192, 1596880, 1676724, 1796490, 1916256, 2095905, 2235632, 2395320, 2515086, 2555008, 2794540, 2874384, 3193760, 3353448, 3592980, 3832512, 4191810, 4471264, 4790640, 5030172, 5110016, 5589080, 5748768, 6287715, 6387520, 6706896, 7185960, 7665024, 8383620, 8942528, 9581280, 10060344, 11178160, 11497536, 12575430, 12775040, 13413792, 14371920, 15330048, 16767240, 17885056, 19162560, 20120688, 22356320, 22995072, 25150860, 25550080, 26827584, 28743840, 33534480, 35770112, 38325120, 40241376, 44712640, 45990144, 50301720, 53655168, 57487680, 67068960, 76650240, 80482752, 89425280, 100603440, 107310336, 114975360, 134137920, 160965504, 178850560, 201206880, 229950720, 268275840, 321931008, 402413760, 536551680, 804827520, 1609655040]

約数ペア:

[(1, 1609655040), (2, 804827520), (3, 536551680), (4, 402413760), (5, 321931008), (6, 268275840), (7, 229950720), (8, 201206880), (9, 178850560), (10, 160965504), (12, 134137920), (14, 114975360), (15, 107310336), (16, 100603440), (18, 89425280), (20, 80482752), (21, 76650240), (24, 67068960), (28, 57487680), (30, 53655168), (32, 50301720), (35, 45990144), (36, 44712640), (40, 40241376), (42, 38325120), (45, 35770112), (48, 33534480), (56, 28743840), (60, 26827584), (63, 25550080), (64, 25150860), (70, 22995072), (72, 22356320), (80, 20120688), (84, 19162560), (90, 17885056), (96, 16767240), (105, 15330048), (112, 14371920), (120, 13413792), (126, 12775040), (128, 12575430), (140, 11497536), (144, 11178160), (160, 10060344), (168, 9581280), (180, 8942528), (192, 8383620), (210, 7665024), (224, 7185960), (240, 6706896), (252, 6387520), (256, 6287715), (280, 5748768), (288, 5589080), (315, 5110016), (320, 5030172), (336, 4790640), (360, 4471264), (384, 4191810), (420, 3832512), (448, 3592980), (480, 3353448), (504, 3193760), (560, 2874384), (576, 2794540), (630, 2555008), (640, 2515086), (672, 2395320), (720, 2235632), (768, 2095905), (840, 1916256), (896, 1796490), (960, 1676724), (1008, 1596880), (1120, 1437192), (1152, 1397270), (1260, 1277504), (1280, 1257543), (1344, 1197660), (1440, 1117816), (1680, 958128), (1792, 898245), (1920, 838362), (2016, 798440), (2240, 718596), (2304, 698635), (2520, 638752), (2688, 598830), (2880, 558908), (3360, 479064), (3840, 419181), (4032, 399220), (4480, 359298), (5040, 319376), (5376, 299415), (5760, 279454), (6720, 239532), (8064, 199610), (8960, 179649), (10080, 159688), (11520, 139727), (13440, 119766), (16128, 99805), (19961, 80640), (20160, 79844), (26880, 59883), (39922, 40320)]