1291198480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1913}}^1$

素因数の和:2009

約数の個数: 160

約数和(自身を含む): 3588520320

約数和(自身を除く): 2297321840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 59, 65, 80, 88, 104, 110, 118, 130, 143, 176, 208, 220, 236, 260, 286, 295, 440, 472, 520, 572, 590, 649, 715, 767, 880, 944, 1040, 1144, 1180, 1298, 1430, 1534, 1913, 2288, 2360, 2596, 2860, 3068, 3245, 3826, 3835, 4720, 5192, 5720, 6136, 6490, 7652, 7670, 8437, 9565, 10384, 11440, 12272, 12980, 15304, 15340, 16874, 19130, 21043, 24869, 25960, 30608, 30680, 33748, 38260, 42086, 42185, 49738, 51920, 61360, 67496, 76520, 84172, 84370, 99476, 105215, 112867, 124345, 134992, 153040, 168344, 168740, 198952, 210430, 225734, 248690, 273559, 336688, 337480, 397904, 420860, 451468, 497380, 547118, 564335, 674960, 841720, 902936, 994760, 1094236, 1128670, 1241537, 1367795, 1467271, 1683440, 1805872, 1989520, 2188472, 2257340, 2483074, 2735590, 2934542, 4376944, 4514680, 4966148, 5471180, 5869084, 6207685, 7336355, 9029360, 9932296, 10942360, 11738168, 12415370, 14672710, 16139981, 19864592, 21884720, 23476336, 24830740, 29345420, 32279962, 49661480, 58690840, 64559924, 80699905, 99322960, 117381680, 129119848, 161399810, 258239696, 322799620, 645599240, 1291198480]

約数ペア:

[(1, 1291198480), (2, 645599240), (4, 322799620), (5, 258239696), (8, 161399810), (10, 129119848), (11, 117381680), (13, 99322960), (16, 80699905), (20, 64559924), (22, 58690840), (26, 49661480), (40, 32279962), (44, 29345420), (52, 24830740), (55, 23476336), (59, 21884720), (65, 19864592), (80, 16139981), (88, 14672710), (104, 12415370), (110, 11738168), (118, 10942360), (130, 9932296), (143, 9029360), (176, 7336355), (208, 6207685), (220, 5869084), (236, 5471180), (260, 4966148), (286, 4514680), (295, 4376944), (440, 2934542), (472, 2735590), (520, 2483074), (572, 2257340), (590, 2188472), (649, 1989520), (715, 1805872), (767, 1683440), (880, 1467271), (944, 1367795), (1040, 1241537), (1144, 1128670), (1180, 1094236), (1298, 994760), (1430, 902936), (1534, 841720), (1913, 674960), (2288, 564335), (2360, 547118), (2596, 497380), (2860, 451468), (3068, 420860), (3245, 397904), (3826, 337480), (3835, 336688), (4720, 273559), (5192, 248690), (5720, 225734), (6136, 210430), (6490, 198952), (7652, 168740), (7670, 168344), (8437, 153040), (9565, 134992), (10384, 124345), (11440, 112867), (12272, 105215), (12980, 99476), (15304, 84370), (15340, 84172), (16874, 76520), (19130, 67496), (21043, 61360), (24869, 51920), (25960, 49738), (30608, 42185), (30680, 42086), (33748, 38260)]