381307680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20369}}^1$

素因数の和:20403

約数の個数: 144

約数和(自身を含む): 1401374520

約数和(自身を除く): 1020066840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20369, 40738, 61107, 81476, 101845, 122214, 162952, 183321, 203690, 244428, 264797, 305535, 325904, 366642, 407380, 488856, 529594, 611070, 651808, 733284, 794391, 814760, 916605, 977712, 1059188, 1222140, 1323985, 1466568, 1588782, 1629520, 1833210, 1955424, 2118376, 2383173, 2444280, 2647970, 2933136, 3177564, 3259040, 3666420, 3971955, 4236752, 4766346, 4888560, 5295940, 5866272, 6355128, 7332840, 7943910, 8473504, 9532692, 9777120, 10591880, 11915865, 12710256, 14665680, 15887820, 19065384, 21183760, 23831730, 25420512, 29331360, 31775640, 38130768, 42367520, 47663460, 63551280, 76261536, 95326920, 127102560, 190653840, 381307680]

約数ペア:

[(1, 381307680), (2, 190653840), (3, 127102560), (4, 95326920), (5, 76261536), (6, 63551280), (8, 47663460), (9, 42367520), (10, 38130768), (12, 31775640), (13, 29331360), (15, 25420512), (16, 23831730), (18, 21183760), (20, 19065384), (24, 15887820), (26, 14665680), (30, 12710256), (32, 11915865), (36, 10591880), (39, 9777120), (40, 9532692), (45, 8473504), (48, 7943910), (52, 7332840), (60, 6355128), (65, 5866272), (72, 5295940), (78, 4888560), (80, 4766346), (90, 4236752), (96, 3971955), (104, 3666420), (117, 3259040), (120, 3177564), (130, 2933136), (144, 2647970), (156, 2444280), (160, 2383173), (180, 2118376), (195, 1955424), (208, 1833210), (234, 1629520), (240, 1588782), (260, 1466568), (288, 1323985), (312, 1222140), (360, 1059188), (390, 977712), (416, 916605), (468, 814760), (480, 794391), (520, 733284), (585, 651808), (624, 611070), (720, 529594), (780, 488856), (936, 407380), (1040, 366642), (1170, 325904), (1248, 305535), (1440, 264797), (1560, 244428), (1872, 203690), (2080, 183321), (2340, 162952), (3120, 122214), (3744, 101845), (4680, 81476), (6240, 61107), (9360, 40738), (18720, 20369)]