160625920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 484440264

約数和(自身を除く): 323814344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 197, 208, 224, 245, 256, 260, 280, 320, 364, 392, 394, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 788, 832, 896, 910, 980, 985, 1040, 1120, 1274, 1280, 1379, 1456, 1568, 1576, 1664, 1792, 1820, 1960, 1970, 2080, 2240, 2548, 2561, 2758, 2912, 3136, 3152, 3185, 3328, 3640, 3920, 3940, 4160, 4480, 5096, 5122, 5516, 5824, 6272, 6304, 6370, 6895, 7280, 7840, 7880, 8320, 8960, 9653, 10192, 10244, 11032, 11648, 12544, 12608, 12740, 12805, 13790, 14560, 15680, 15760, 16640, 17927, 19306, 20384, 20488, 22064, 23296, 25216, 25480, 25610, 27580, 29120, 31360, 31520, 35854, 38612, 40768, 40976, 44128, 48265, 50432, 50960, 51220, 55160, 58240, 62720, 63040, 71708, 77224, 81536, 81952, 88256, 89635, 96530, 101920, 102440, 110320, 116480, 125489, 126080, 143416, 154448, 163072, 163904, 176512, 179270, 193060, 203840, 204880, 220640, 250978, 252160, 286832, 308896, 327808, 353024, 358540, 386120, 407680, 409760, 441280, 501956, 573664, 617792, 627445, 655616, 717080, 772240, 815360, 819520, 882560, 1003912, 1147328, 1235584, 1254890, 1434160, 1544480, 1639040, 1765120, 2007824, 2294656, 2471168, 2509780, 2868320, 3088960, 3278080, 4015648, 4589312, 5019560, 5736640, 6177920, 8031296, 10039120, 11473280, 12355840, 16062592, 20078240, 22946560, 32125184, 40156480, 80312960, 160625920]

約数ペア:

[(1, 160625920), (2, 80312960), (4, 40156480), (5, 32125184), (7, 22946560), (8, 20078240), (10, 16062592), (13, 12355840), (14, 11473280), (16, 10039120), (20, 8031296), (26, 6177920), (28, 5736640), (32, 5019560), (35, 4589312), (40, 4015648), (49, 3278080), (52, 3088960), (56, 2868320), (64, 2509780), (65, 2471168), (70, 2294656), (80, 2007824), (91, 1765120), (98, 1639040), (104, 1544480), (112, 1434160), (128, 1254890), (130, 1235584), (140, 1147328), (160, 1003912), (182, 882560), (196, 819520), (197, 815360), (208, 772240), (224, 717080), (245, 655616), (256, 627445), (260, 617792), (280, 573664), (320, 501956), (364, 441280), (392, 409760), (394, 407680), (416, 386120), (448, 358540), (455, 353024), (490, 327808), (520, 308896), (560, 286832), (637, 252160), (640, 250978), (728, 220640), (784, 204880), (788, 203840), (832, 193060), (896, 179270), (910, 176512), (980, 163904), (985, 163072), (1040, 154448), (1120, 143416), (1274, 126080), (1280, 125489), (1379, 116480), (1456, 110320), (1568, 102440), (1576, 101920), (1664, 96530), (1792, 89635), (1820, 88256), (1960, 81952), (1970, 81536), (2080, 77224), (2240, 71708), (2548, 63040), (2561, 62720), (2758, 58240), (2912, 55160), (3136, 51220), (3152, 50960), (3185, 50432), (3328, 48265), (3640, 44128), (3920, 40976), (3940, 40768), (4160, 38612), (4480, 35854), (5096, 31520), (5122, 31360), (5516, 29120), (5824, 27580), (6272, 25610), (6304, 25480), (6370, 25216), (6895, 23296), (7280, 22064), (7840, 20488), (7880, 20384), (8320, 19306), (8960, 17927), (9653, 16640), (10192, 15760), (10244, 15680), (11032, 14560), (11648, 13790), (12544, 12805), (12608, 12740)]