161720640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 168

約数和(自身を含む): 560956968

約数和(自身を除く): 399236328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 233, 240, 241, 288, 320, 360, 466, 480, 482, 576, 699, 720, 723, 932, 960, 964, 1165, 1205, 1398, 1440, 1446, 1864, 1928, 2097, 2169, 2330, 2410, 2796, 2880, 2892, 3495, 3615, 3728, 3856, 4194, 4338, 4660, 4820, 5592, 5784, 6990, 7230, 7456, 7712, 8388, 8676, 9320, 9640, 10485, 10845, 11184, 11568, 13980, 14460, 14912, 15424, 16776, 17352, 18640, 19280, 20970, 21690, 22368, 23136, 27960, 28920, 33552, 34704, 37280, 38560, 41940, 43380, 44736, 46272, 55920, 56153, 57840, 67104, 69408, 74560, 77120, 83880, 86760, 111840, 112306, 115680, 134208, 138816, 167760, 168459, 173520, 223680, 224612, 231360, 280765, 335520, 336918, 347040, 449224, 505377, 561530, 671040, 673836, 694080, 842295, 898448, 1010754, 1123060, 1347672, 1684590, 1796896, 2021508, 2246120, 2526885, 2695344, 3369180, 3593792, 4043016, 4492240, 5053770, 5390688, 6738360, 8086032, 8984480, 10107540, 10781376, 13476720, 16172064, 17968960, 20215080, 26953440, 32344128, 40430160, 53906880, 80860320, 161720640]

約数ペア:

[(1, 161720640), (2, 80860320), (3, 53906880), (4, 40430160), (5, 32344128), (6, 26953440), (8, 20215080), (9, 17968960), (10, 16172064), (12, 13476720), (15, 10781376), (16, 10107540), (18, 8984480), (20, 8086032), (24, 6738360), (30, 5390688), (32, 5053770), (36, 4492240), (40, 4043016), (45, 3593792), (48, 3369180), (60, 2695344), (64, 2526885), (72, 2246120), (80, 2021508), (90, 1796896), (96, 1684590), (120, 1347672), (144, 1123060), (160, 1010754), (180, 898448), (192, 842295), (233, 694080), (240, 673836), (241, 671040), (288, 561530), (320, 505377), (360, 449224), (466, 347040), (480, 336918), (482, 335520), (576, 280765), (699, 231360), (720, 224612), (723, 223680), (932, 173520), (960, 168459), (964, 167760), (1165, 138816), (1205, 134208), (1398, 115680), (1440, 112306), (1446, 111840), (1864, 86760), (1928, 83880), (2097, 77120), (2169, 74560), (2330, 69408), (2410, 67104), (2796, 57840), (2880, 56153), (2892, 55920), (3495, 46272), (3615, 44736), (3728, 43380), (3856, 41940), (4194, 38560), (4338, 37280), (4660, 34704), (4820, 33552), (5592, 28920), (5784, 27960), (6990, 23136), (7230, 22368), (7456, 21690), (7712, 20970), (8388, 19280), (8676, 18640), (9320, 17352), (9640, 16776), (10485, 15424), (10845, 14912), (11184, 14460), (11568, 13980)]