161781760

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 463095360

約数和(自身を除く): 301313600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 61, 64, 70, 74, 80, 112, 122, 128, 140, 148, 160, 185, 224, 244, 256, 259, 280, 296, 305, 320, 370, 427, 448, 488, 512, 518, 560, 592, 610, 640, 740, 854, 896, 976, 1024, 1036, 1120, 1184, 1220, 1280, 1295, 1480, 1708, 1792, 1952, 2048, 2072, 2135, 2240, 2257, 2368, 2440, 2560, 2590, 2960, 3416, 3584, 3904, 4144, 4270, 4480, 4514, 4736, 4880, 5120, 5180, 5920, 6832, 7168, 7808, 8288, 8540, 8960, 9028, 9472, 9760, 10240, 10360, 11285, 11840, 13664, 14336, 15616, 15799, 16576, 17080, 17920, 18056, 18944, 19520, 20720, 22570, 23680, 27328, 31232, 31598, 33152, 34160, 35840, 36112, 37888, 39040, 41440, 45140, 47360, 54656, 62464, 63196, 66304, 68320, 71680, 72224, 75776, 78080, 78995, 82880, 90280, 94720, 109312, 124928, 126392, 132608, 136640, 144448, 156160, 157990, 165760, 180560, 189440, 218624, 252784, 265216, 273280, 288896, 312320, 315980, 331520, 361120, 378880, 437248, 505568, 530432, 546560, 577792, 624640, 631960, 663040, 722240, 874496, 1011136, 1093120, 1155584, 1263920, 1326080, 1444480, 2022272, 2186240, 2311168, 2527840, 2652160, 2888960, 4044544, 4372480, 4622336, 5055680, 5777920, 8089088, 10111360, 11555840, 16178176, 20222720, 23111680, 32356352, 40445440, 80890880, 161781760]

約数ペア:

[(1, 161781760), (2, 80890880), (4, 40445440), (5, 32356352), (7, 23111680), (8, 20222720), (10, 16178176), (14, 11555840), (16, 10111360), (20, 8089088), (28, 5777920), (32, 5055680), (35, 4622336), (37, 4372480), (40, 4044544), (56, 2888960), (61, 2652160), (64, 2527840), (70, 2311168), (74, 2186240), (80, 2022272), (112, 1444480), (122, 1326080), (128, 1263920), (140, 1155584), (148, 1093120), (160, 1011136), (185, 874496), (224, 722240), (244, 663040), (256, 631960), (259, 624640), (280, 577792), (296, 546560), (305, 530432), (320, 505568), (370, 437248), (427, 378880), (448, 361120), (488, 331520), (512, 315980), (518, 312320), (560, 288896), (592, 273280), (610, 265216), (640, 252784), (740, 218624), (854, 189440), (896, 180560), (976, 165760), (1024, 157990), (1036, 156160), (1120, 144448), (1184, 136640), (1220, 132608), (1280, 126392), (1295, 124928), (1480, 109312), (1708, 94720), (1792, 90280), (1952, 82880), (2048, 78995), (2072, 78080), (2135, 75776), (2240, 72224), (2257, 71680), (2368, 68320), (2440, 66304), (2560, 63196), (2590, 62464), (2960, 54656), (3416, 47360), (3584, 45140), (3904, 41440), (4144, 39040), (4270, 37888), (4480, 36112), (4514, 35840), (4736, 34160), (4880, 33152), (5120, 31598), (5180, 31232), (5920, 27328), (6832, 23680), (7168, 22570), (7808, 20720), (8288, 19520), (8540, 18944), (8960, 18056), (9028, 17920), (9472, 17080), (9760, 16576), (10240, 15799), (10360, 15616), (11285, 14336), (11840, 13664)]