2091657920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 5572262160

約数和(自身を除く): 3480604240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 160, 176, 188, 220, 235, 269, 320, 352, 376, 440, 470, 517, 538, 704, 752, 880, 940, 1034, 1076, 1345, 1504, 1760, 1880, 2068, 2152, 2209, 2585, 2690, 2959, 3008, 3520, 3760, 4136, 4304, 4418, 5170, 5380, 5918, 7520, 8272, 8608, 8836, 10340, 10760, 11045, 11836, 12643, 14795, 15040, 16544, 17216, 17672, 20680, 21520, 22090, 23672, 24299, 25286, 29590, 33088, 35344, 41360, 43040, 44180, 47344, 48598, 50572, 59180, 63215, 70688, 82720, 86080, 88360, 94688, 97196, 101144, 118360, 121495, 126430, 139073, 141376, 165440, 176720, 189376, 194392, 202288, 236720, 242990, 252860, 278146, 353440, 388784, 404576, 473440, 485980, 505720, 556292, 594221, 695365, 706880, 777568, 809152, 946880, 971960, 1011440, 1112584, 1188442, 1390730, 1555136, 1943920, 2022880, 2225168, 2376884, 2781460, 2971105, 3887840, 4045760, 4450336, 4753768, 5562920, 5942210, 6536431, 7775680, 8900672, 9507536, 11125840, 11884420, 13072862, 19015072, 22251680, 23768840, 26145724, 32682155, 38030144, 44503360, 47537680, 52291448, 65364310, 95075360, 104582896, 130728620, 190150720, 209165792, 261457240, 418331584, 522914480, 1045828960, 2091657920]

約数ペア:

[(1, 2091657920), (2, 1045828960), (4, 522914480), (5, 418331584), (8, 261457240), (10, 209165792), (11, 190150720), (16, 130728620), (20, 104582896), (22, 95075360), (32, 65364310), (40, 52291448), (44, 47537680), (47, 44503360), (55, 38030144), (64, 32682155), (80, 26145724), (88, 23768840), (94, 22251680), (110, 19015072), (160, 13072862), (176, 11884420), (188, 11125840), (220, 9507536), (235, 8900672), (269, 7775680), (320, 6536431), (352, 5942210), (376, 5562920), (440, 4753768), (470, 4450336), (517, 4045760), (538, 3887840), (704, 2971105), (752, 2781460), (880, 2376884), (940, 2225168), (1034, 2022880), (1076, 1943920), (1345, 1555136), (1504, 1390730), (1760, 1188442), (1880, 1112584), (2068, 1011440), (2152, 971960), (2209, 946880), (2585, 809152), (2690, 777568), (2959, 706880), (3008, 695365), (3520, 594221), (3760, 556292), (4136, 505720), (4304, 485980), (4418, 473440), (5170, 404576), (5380, 388784), (5918, 353440), (7520, 278146), (8272, 252860), (8608, 242990), (8836, 236720), (10340, 202288), (10760, 194392), (11045, 189376), (11836, 176720), (12643, 165440), (14795, 141376), (15040, 139073), (16544, 126430), (17216, 121495), (17672, 118360), (20680, 101144), (21520, 97196), (22090, 94688), (23672, 88360), (24299, 86080), (25286, 82720), (29590, 70688), (33088, 63215), (35344, 59180), (41360, 50572), (43040, 48598), (44180, 47344)]