80312960

素因数分解:

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

素因数の和:243

約数の個数: 192

約数和(自身を含む): 241746120

約数和(自身を除く): 161433160

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, 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, 1379, 1456, 1568, 1576, 1664, 1820, 1960, 1970, 2080, 2240, 2548, 2561, 2758, 2912, 3136, 3152, 3185, 3640, 3920, 3940, 4160, 4480, 5096, 5122, 5516, 5824, 6272, 6304, 6370, 6895, 7280, 7840, 7880, 8320, 9653, 10192, 10244, 11032, 11648, 12608, 12740, 12805, 13790, 14560, 15680, 15760, 17927, 19306, 20384, 20488, 22064, 25216, 25480, 25610, 27580, 29120, 31360, 31520, 35854, 38612, 40768, 40976, 44128, 48265, 50960, 51220, 55160, 58240, 63040, 71708, 77224, 81536, 81952, 88256, 89635, 96530, 101920, 102440, 110320, 125489, 126080, 143416, 154448, 163904, 176512, 179270, 193060, 203840, 204880, 220640, 250978, 286832, 308896, 327808, 358540, 386120, 407680, 409760, 441280, 501956, 573664, 617792, 627445, 717080, 772240, 819520, 882560, 1003912, 1147328, 1235584, 1254890, 1434160, 1544480, 1639040, 2007824, 2294656, 2509780, 2868320, 3088960, 4015648, 5019560, 5736640, 6177920, 8031296, 10039120, 11473280, 16062592, 20078240, 40156480, 80312960]

約数ペア:

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