81167240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 243596160

約数和(自身を除く): 162428920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 73, 76, 77, 88, 95, 110, 133, 140, 146, 152, 154, 190, 209, 220, 266, 280, 292, 308, 361, 365, 380, 385, 418, 440, 511, 532, 584, 616, 665, 722, 730, 760, 770, 803, 836, 1022, 1045, 1064, 1330, 1387, 1444, 1460, 1463, 1540, 1606, 1672, 1805, 2044, 2090, 2527, 2555, 2660, 2774, 2888, 2920, 2926, 3080, 3212, 3610, 3971, 4015, 4088, 4180, 5054, 5110, 5320, 5548, 5621, 5852, 6424, 6935, 7220, 7315, 7942, 8030, 8360, 9709, 10108, 10220, 11096, 11242, 11704, 12635, 13870, 14440, 14630, 15257, 15884, 16060, 19418, 19855, 20216, 20440, 22484, 25270, 26353, 27740, 27797, 28105, 29260, 30514, 31768, 32120, 38836, 39710, 44968, 48545, 50540, 52706, 55480, 55594, 56210, 58520, 61028, 76285, 77672, 79420, 97090, 101080, 105412, 106799, 111188, 112420, 122056, 131765, 138985, 152570, 158840, 184471, 194180, 210824, 213598, 222376, 224840, 263530, 277970, 289883, 305140, 368942, 388360, 427196, 527060, 533995, 555940, 579766, 610280, 737884, 854392, 922355, 1054120, 1067990, 1111880, 1159532, 1449415, 1475768, 1844710, 2029181, 2135980, 2319064, 2898830, 3689420, 4058362, 4271960, 5797660, 7378840, 8116724, 10145905, 11595320, 16233448, 20291810, 40583620, 81167240]

約数ペア:

[(1, 81167240), (2, 40583620), (4, 20291810), (5, 16233448), (7, 11595320), (8, 10145905), (10, 8116724), (11, 7378840), (14, 5797660), (19, 4271960), (20, 4058362), (22, 3689420), (28, 2898830), (35, 2319064), (38, 2135980), (40, 2029181), (44, 1844710), (55, 1475768), (56, 1449415), (70, 1159532), (73, 1111880), (76, 1067990), (77, 1054120), (88, 922355), (95, 854392), (110, 737884), (133, 610280), (140, 579766), (146, 555940), (152, 533995), (154, 527060), (190, 427196), (209, 388360), (220, 368942), (266, 305140), (280, 289883), (292, 277970), (308, 263530), (361, 224840), (365, 222376), (380, 213598), (385, 210824), (418, 194180), (440, 184471), (511, 158840), (532, 152570), (584, 138985), (616, 131765), (665, 122056), (722, 112420), (730, 111188), (760, 106799), (770, 105412), (803, 101080), (836, 97090), (1022, 79420), (1045, 77672), (1064, 76285), (1330, 61028), (1387, 58520), (1444, 56210), (1460, 55594), (1463, 55480), (1540, 52706), (1606, 50540), (1672, 48545), (1805, 44968), (2044, 39710), (2090, 38836), (2527, 32120), (2555, 31768), (2660, 30514), (2774, 29260), (2888, 28105), (2920, 27797), (2926, 27740), (3080, 26353), (3212, 25270), (3610, 22484), (3971, 20440), (4015, 20216), (4088, 19855), (4180, 19418), (5054, 16060), (5110, 15884), (5320, 15257), (5548, 14630), (5621, 14440), (5852, 13870), (6424, 12635), (6935, 11704), (7220, 11242), (7315, 11096), (7942, 10220), (8030, 10108), (8360, 9709)]