821680860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13681}}^1$

素因数の和:13724

約数の個数: 192

約数和(自身を含む): 3089286144

約数和(自身を除く): 2267605284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 330, 364, 385, 390, 420, 429, 455, 462, 546, 572, 660, 715, 770, 780, 858, 910, 924, 1001, 1092, 1155, 1365, 1430, 1540, 1716, 1820, 2002, 2145, 2310, 2730, 2860, 3003, 4004, 4290, 4620, 5005, 5460, 6006, 8580, 10010, 12012, 13681, 15015, 20020, 27362, 30030, 41043, 54724, 60060, 68405, 82086, 95767, 136810, 150491, 164172, 177853, 191534, 205215, 273620, 287301, 300982, 355706, 383068, 410430, 451473, 478835, 533559, 574602, 601964, 711412, 752455, 820860, 889265, 902946, 957670, 1053437, 1067118, 1149204, 1244971, 1436505, 1504910, 1778530, 1805892, 1915340, 1956383, 2106874, 2134236, 2257365, 2489942, 2667795, 2873010, 3009820, 3160311, 3557060, 3734913, 3912766, 4213748, 4514730, 4979884, 5267185, 5335590, 5746020, 5869149, 6224855, 6320622, 7469826, 7825532, 9029460, 9781915, 10534370, 10671180, 11738298, 12449710, 12641244, 13694681, 14939652, 15801555, 18674565, 19563830, 21068740, 23476596, 24899420, 27389362, 29345745, 31603110, 37349130, 39127660, 41084043, 54778724, 58691490, 63206220, 68473405, 74698260, 82168086, 117382980, 136946810, 164336172, 205420215, 273893620, 410840430, 821680860]

約数ペア:

[(1, 821680860), (2, 410840430), (3, 273893620), (4, 205420215), (5, 164336172), (6, 136946810), (7, 117382980), (10, 82168086), (11, 74698260), (12, 68473405), (13, 63206220), (14, 58691490), (15, 54778724), (20, 41084043), (21, 39127660), (22, 37349130), (26, 31603110), (28, 29345745), (30, 27389362), (33, 24899420), (35, 23476596), (39, 21068740), (42, 19563830), (44, 18674565), (52, 15801555), (55, 14939652), (60, 13694681), (65, 12641244), (66, 12449710), (70, 11738298), (77, 10671180), (78, 10534370), (84, 9781915), (91, 9029460), (105, 7825532), (110, 7469826), (130, 6320622), (132, 6224855), (140, 5869149), (143, 5746020), (154, 5335590), (156, 5267185), (165, 4979884), (182, 4514730), (195, 4213748), (210, 3912766), (220, 3734913), (231, 3557060), (260, 3160311), (273, 3009820), (286, 2873010), (308, 2667795), (330, 2489942), (364, 2257365), (385, 2134236), (390, 2106874), (420, 1956383), (429, 1915340), (455, 1805892), (462, 1778530), (546, 1504910), (572, 1436505), (660, 1244971), (715, 1149204), (770, 1067118), (780, 1053437), (858, 957670), (910, 902946), (924, 889265), (1001, 820860), (1092, 752455), (1155, 711412), (1365, 601964), (1430, 574602), (1540, 533559), (1716, 478835), (1820, 451473), (2002, 410430), (2145, 383068), (2310, 355706), (2730, 300982), (2860, 287301), (3003, 273620), (4004, 205215), (4290, 191534), (4620, 177853), (5005, 164172), (5460, 150491), (6006, 136810), (8580, 95767), (10010, 82086), (12012, 68405), (13681, 60060), (15015, 54724), (20020, 41043), (27362, 30030)]