281655360

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4657}}^1$

素因数の和:4690

約数の個数: 224

約数和(自身を含む): 1135806720

約数和(自身を除く): 854151360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 4657, 5040, 6048, 6720, 7560, 8640, 9314, 10080, 12096, 13971, 15120, 18628, 20160, 23285, 27942, 30240, 32599, 37256, 41913, 46570, 55884, 60480, 65198, 69855, 74512, 83826, 93140, 97797, 111768, 125739, 130396, 139710, 149024, 162995, 167652, 186280, 195594, 209565, 223536, 251478, 260792, 279420, 293391, 298048, 325990, 335304, 372560, 391188, 419130, 447072, 488985, 502956, 521584, 558840, 586782, 628695, 651980, 670608, 745120, 782376, 838260, 880173, 894144, 977970, 1005912, 1043168, 1117680, 1173564, 1257390, 1303960, 1341216, 1466955, 1490240, 1564752, 1676520, 1760346, 1955940, 2011824, 2086336, 2235360, 2347128, 2514780, 2607920, 2682432, 2933910, 3129504, 3353040, 3520692, 3911880, 4023648, 4400865, 4470720, 4694256, 5029560, 5215840, 5867820, 6259008, 6706080, 7041384, 7823760, 8047296, 8801730, 9388512, 10059120, 10431680, 11735640, 13412160, 14082768, 15647520, 17603460, 18777024, 20118240, 23471280, 28165536, 31295040, 35206920, 40236480, 46942560, 56331072, 70413840, 93885120, 140827680, 281655360]

約数ペア:

[(1, 281655360), (2, 140827680), (3, 93885120), (4, 70413840), (5, 56331072), (6, 46942560), (7, 40236480), (8, 35206920), (9, 31295040), (10, 28165536), (12, 23471280), (14, 20118240), (15, 18777024), (16, 17603460), (18, 15647520), (20, 14082768), (21, 13412160), (24, 11735640), (27, 10431680), (28, 10059120), (30, 9388512), (32, 8801730), (35, 8047296), (36, 7823760), (40, 7041384), (42, 6706080), (45, 6259008), (48, 5867820), (54, 5215840), (56, 5029560), (60, 4694256), (63, 4470720), (64, 4400865), (70, 4023648), (72, 3911880), (80, 3520692), (84, 3353040), (90, 3129504), (96, 2933910), (105, 2682432), (108, 2607920), (112, 2514780), (120, 2347128), (126, 2235360), (135, 2086336), (140, 2011824), (144, 1955940), (160, 1760346), (168, 1676520), (180, 1564752), (189, 1490240), (192, 1466955), (210, 1341216), (216, 1303960), (224, 1257390), (240, 1173564), (252, 1117680), (270, 1043168), (280, 1005912), (288, 977970), (315, 894144), (320, 880173), (336, 838260), (360, 782376), (378, 745120), (420, 670608), (432, 651980), (448, 628695), (480, 586782), (504, 558840), (540, 521584), (560, 502956), (576, 488985), (630, 447072), (672, 419130), (720, 391188), (756, 372560), (840, 335304), (864, 325990), (945, 298048), (960, 293391), (1008, 279420), (1080, 260792), (1120, 251478), (1260, 223536), (1344, 209565), (1440, 195594), (1512, 186280), (1680, 167652), (1728, 162995), (1890, 149024), (2016, 139710), (2160, 130396), (2240, 125739), (2520, 111768), (2880, 97797), (3024, 93140), (3360, 83826), (3780, 74512), (4032, 69855), (4320, 65198), (4657, 60480), (5040, 55884), (6048, 46570), (6720, 41913), (7560, 37256), (8640, 32599), (9314, 30240), (10080, 27942), (12096, 23285), (13971, 20160), (15120, 18628)]