1808284720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 240

約数和(自身を含む): 5024678400

約数和(自身を除く): 3216393680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 79, 80, 88, 95, 110, 148, 152, 158, 176, 185, 190, 209, 220, 296, 304, 316, 370, 380, 395, 407, 418, 440, 592, 632, 703, 740, 760, 790, 814, 836, 869, 880, 1045, 1264, 1369, 1406, 1480, 1501, 1520, 1580, 1628, 1672, 1738, 2035, 2090, 2738, 2812, 2923, 2960, 3002, 3160, 3256, 3344, 3476, 3515, 4070, 4180, 4345, 5476, 5624, 5846, 6004, 6320, 6512, 6845, 6952, 7030, 7505, 7733, 8140, 8360, 8690, 10952, 11248, 11692, 12008, 13690, 13904, 14060, 14615, 15010, 15059, 15466, 16280, 16511, 16720, 17380, 21904, 23384, 24016, 26011, 27380, 28120, 29230, 30020, 30118, 30932, 32153, 32560, 33022, 34760, 38665, 46768, 52022, 54760, 55537, 56240, 58460, 60040, 60236, 61864, 64306, 66044, 69520, 75295, 77330, 82555, 104044, 108151, 109520, 111074, 116920, 120080, 120472, 123728, 128612, 130055, 132088, 150590, 154660, 160765, 165110, 208088, 216302, 222148, 233840, 240944, 257224, 260110, 264176, 277685, 286121, 301180, 309320, 321530, 330220, 416176, 432604, 444296, 514448, 520220, 540755, 555370, 572242, 602360, 610907, 618640, 643060, 660440, 865208, 888592, 1040440, 1081510, 1110740, 1144484, 1189661, 1204720, 1221814, 1286120, 1320880, 1430605, 1730416, 2054869, 2080880, 2163020, 2221480, 2288968, 2379322, 2443628, 2572240, 2861210, 3054535, 4109738, 4326040, 4442960, 4577936, 4758644, 4887256, 5722420, 5948305, 6109070, 8219476, 8652080, 9517288, 9774512, 10274345, 11444840, 11896610, 12218140, 16438952, 19034576, 20548690, 22603559, 22889680, 23793220, 24436280, 32877904, 41097380, 45207118, 47586440, 48872560, 82194760, 90414236, 95172880, 113017795, 164389520, 180828472, 226035590, 361656944, 452071180, 904142360, 1808284720]

約数ペア:

[(1, 1808284720), (2, 904142360), (4, 452071180), (5, 361656944), (8, 226035590), (10, 180828472), (11, 164389520), (16, 113017795), (19, 95172880), (20, 90414236), (22, 82194760), (37, 48872560), (38, 47586440), (40, 45207118), (44, 41097380), (55, 32877904), (74, 24436280), (76, 23793220), (79, 22889680), (80, 22603559), (88, 20548690), (95, 19034576), (110, 16438952), (148, 12218140), (152, 11896610), (158, 11444840), (176, 10274345), (185, 9774512), (190, 9517288), (209, 8652080), (220, 8219476), (296, 6109070), (304, 5948305), (316, 5722420), (370, 4887256), (380, 4758644), (395, 4577936), (407, 4442960), (418, 4326040), (440, 4109738), (592, 3054535), (632, 2861210), (703, 2572240), (740, 2443628), (760, 2379322), (790, 2288968), (814, 2221480), (836, 2163020), (869, 2080880), (880, 2054869), (1045, 1730416), (1264, 1430605), (1369, 1320880), (1406, 1286120), (1480, 1221814), (1501, 1204720), (1520, 1189661), (1580, 1144484), (1628, 1110740), (1672, 1081510), (1738, 1040440), (2035, 888592), (2090, 865208), (2738, 660440), (2812, 643060), (2923, 618640), (2960, 610907), (3002, 602360), (3160, 572242), (3256, 555370), (3344, 540755), (3476, 520220), (3515, 514448), (4070, 444296), (4180, 432604), (4345, 416176), (5476, 330220), (5624, 321530), (5846, 309320), (6004, 301180), (6320, 286121), (6512, 277685), (6845, 264176), (6952, 260110), (7030, 257224), (7505, 240944), (7733, 233840), (8140, 222148), (8360, 216302), (8690, 208088), (10952, 165110), (11248, 160765), (11692, 154660), (12008, 150590), (13690, 132088), (13904, 130055), (14060, 128612), (14615, 123728), (15010, 120472), (15059, 120080), (15466, 116920), (16280, 111074), (16511, 109520), (16720, 108151), (17380, 104044), (21904, 82555), (23384, 77330), (24016, 75295), (26011, 69520), (27380, 66044), (28120, 64306), (29230, 61864), (30020, 60236), (30118, 60040), (30932, 58460), (32153, 56240), (32560, 55537), (33022, 54760), (34760, 52022), (38665, 46768)]