320839680

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1$

素因数の和:414

約数の個数: 224

約数和(自身を含む): 1176430464

約数和(自身を除く): 855590784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 373, 384, 420, 448, 480, 512, 560, 640, 672, 746, 768, 840, 896, 960, 1024, 1119, 1120, 1280, 1344, 1492, 1536, 1680, 1792, 1865, 1920, 2048, 2238, 2240, 2560, 2611, 2688, 2984, 3072, 3360, 3584, 3730, 3840, 4096, 4476, 4480, 5120, 5222, 5376, 5595, 5968, 6144, 6720, 7168, 7460, 7680, 7833, 8192, 8952, 8960, 10240, 10444, 10752, 11190, 11936, 12288, 13055, 13440, 14336, 14920, 15360, 15666, 17904, 17920, 20480, 20888, 21504, 22380, 23872, 24576, 26110, 26880, 28672, 29840, 30720, 31332, 35808, 35840, 39165, 40960, 41776, 43008, 44760, 47744, 52220, 53760, 57344, 59680, 61440, 62664, 71616, 71680, 78330, 83552, 86016, 89520, 95488, 104440, 107520, 119360, 122880, 125328, 143232, 143360, 156660, 167104, 172032, 179040, 190976, 208880, 215040, 238720, 250656, 286464, 286720, 313320, 334208, 358080, 381952, 417760, 430080, 477440, 501312, 572928, 626640, 668416, 716160, 763904, 835520, 860160, 954880, 1002624, 1145856, 1253280, 1336832, 1432320, 1527808, 1671040, 1909760, 2005248, 2291712, 2506560, 2673664, 2864640, 3055616, 3342080, 3819520, 4010496, 4583424, 5013120, 5347328, 5729280, 6684160, 7639040, 8020992, 9166848, 10026240, 10694656, 11458560, 13368320, 15278080, 16041984, 20052480, 21389312, 22917120, 26736640, 32083968, 40104960, 45834240, 53473280, 64167936, 80209920, 106946560, 160419840, 320839680]

約数ペア:

[(1, 320839680), (2, 160419840), (3, 106946560), (4, 80209920), (5, 64167936), (6, 53473280), (7, 45834240), (8, 40104960), (10, 32083968), (12, 26736640), (14, 22917120), (15, 21389312), (16, 20052480), (20, 16041984), (21, 15278080), (24, 13368320), (28, 11458560), (30, 10694656), (32, 10026240), (35, 9166848), (40, 8020992), (42, 7639040), (48, 6684160), (56, 5729280), (60, 5347328), (64, 5013120), (70, 4583424), (80, 4010496), (84, 3819520), (96, 3342080), (105, 3055616), (112, 2864640), (120, 2673664), (128, 2506560), (140, 2291712), (160, 2005248), (168, 1909760), (192, 1671040), (210, 1527808), (224, 1432320), (240, 1336832), (256, 1253280), (280, 1145856), (320, 1002624), (336, 954880), (373, 860160), (384, 835520), (420, 763904), (448, 716160), (480, 668416), (512, 626640), (560, 572928), (640, 501312), (672, 477440), (746, 430080), (768, 417760), (840, 381952), (896, 358080), (960, 334208), (1024, 313320), (1119, 286720), (1120, 286464), (1280, 250656), (1344, 238720), (1492, 215040), (1536, 208880), (1680, 190976), (1792, 179040), (1865, 172032), (1920, 167104), (2048, 156660), (2238, 143360), (2240, 143232), (2560, 125328), (2611, 122880), (2688, 119360), (2984, 107520), (3072, 104440), (3360, 95488), (3584, 89520), (3730, 86016), (3840, 83552), (4096, 78330), (4476, 71680), (4480, 71616), (5120, 62664), (5222, 61440), (5376, 59680), (5595, 57344), (5968, 53760), (6144, 52220), (6720, 47744), (7168, 44760), (7460, 43008), (7680, 41776), (7833, 40960), (8192, 39165), (8952, 35840), (8960, 35808), (10240, 31332), (10444, 30720), (10752, 29840), (11190, 28672), (11936, 26880), (12288, 26110), (13055, 24576), (13440, 23872), (14336, 22380), (14920, 21504), (15360, 20888), (15666, 20480), (17904, 17920)]