131422720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 160

約数和(自身を含む): 371226240

約数和(自身を除く): 239803520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 359, 416, 440, 512, 520, 572, 640, 704, 715, 718, 832, 880, 1040, 1144, 1280, 1408, 1430, 1436, 1664, 1760, 1795, 2080, 2288, 2560, 2816, 2860, 2872, 3328, 3520, 3590, 3949, 4160, 4576, 4667, 5632, 5720, 5744, 6656, 7040, 7180, 7898, 8320, 9152, 9334, 11440, 11488, 14080, 14360, 15796, 16640, 18304, 18668, 19745, 22880, 22976, 23335, 28160, 28720, 31592, 33280, 36608, 37336, 39490, 45760, 45952, 46670, 51337, 57440, 63184, 73216, 74672, 78980, 91520, 91904, 93340, 102674, 114880, 126368, 149344, 157960, 183040, 183808, 186680, 205348, 229760, 252736, 256685, 298688, 315920, 366080, 373360, 410696, 459520, 505472, 513370, 597376, 631840, 746720, 821392, 919040, 1010944, 1026740, 1194752, 1263680, 1493440, 1642784, 2021888, 2053480, 2389504, 2527360, 2986880, 3285568, 4106960, 5054720, 5973760, 6571136, 8213920, 10109440, 11947520, 13142272, 16427840, 26284544, 32855680, 65711360, 131422720]

約数ペア:

[(1, 131422720), (2, 65711360), (4, 32855680), (5, 26284544), (8, 16427840), (10, 13142272), (11, 11947520), (13, 10109440), (16, 8213920), (20, 6571136), (22, 5973760), (26, 5054720), (32, 4106960), (40, 3285568), (44, 2986880), (52, 2527360), (55, 2389504), (64, 2053480), (65, 2021888), (80, 1642784), (88, 1493440), (104, 1263680), (110, 1194752), (128, 1026740), (130, 1010944), (143, 919040), (160, 821392), (176, 746720), (208, 631840), (220, 597376), (256, 513370), (260, 505472), (286, 459520), (320, 410696), (352, 373360), (359, 366080), (416, 315920), (440, 298688), (512, 256685), (520, 252736), (572, 229760), (640, 205348), (704, 186680), (715, 183808), (718, 183040), (832, 157960), (880, 149344), (1040, 126368), (1144, 114880), (1280, 102674), (1408, 93340), (1430, 91904), (1436, 91520), (1664, 78980), (1760, 74672), (1795, 73216), (2080, 63184), (2288, 57440), (2560, 51337), (2816, 46670), (2860, 45952), (2872, 45760), (3328, 39490), (3520, 37336), (3590, 36608), (3949, 33280), (4160, 31592), (4576, 28720), (4667, 28160), (5632, 23335), (5720, 22976), (5744, 22880), (6656, 19745), (7040, 18668), (7180, 18304), (7898, 16640), (8320, 15796), (9152, 14360), (9334, 14080), (11440, 11488)]