2787979040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9839}}^1$

素因数の和:9895

約数の個数: 192

約数和(自身を含む): 8569774080

約数和(自身を除く): 5781795040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 308, 322, 352, 368, 385, 440, 460, 506, 560, 616, 644, 736, 770, 805, 880, 920, 1012, 1120, 1232, 1265, 1288, 1540, 1610, 1760, 1771, 1840, 2024, 2464, 2530, 2576, 3080, 3220, 3542, 3680, 4048, 5060, 5152, 6160, 6440, 7084, 8096, 8855, 9839, 10120, 12320, 12880, 14168, 17710, 19678, 20240, 25760, 28336, 35420, 39356, 40480, 49195, 56672, 68873, 70840, 78712, 98390, 108229, 137746, 141680, 157424, 196780, 216458, 226297, 275492, 283360, 314848, 344365, 393560, 432916, 452594, 541145, 550984, 688730, 757603, 787120, 865832, 905188, 1082290, 1101968, 1131485, 1377460, 1515206, 1574240, 1584079, 1731664, 1810376, 2164580, 2203936, 2262970, 2489267, 2754920, 3030412, 3168158, 3463328, 3620752, 3788015, 4329160, 4525940, 4978534, 5509840, 6060824, 6336316, 7241504, 7576030, 7920395, 8658320, 9051880, 9957068, 11019680, 12121648, 12446335, 12672632, 15152060, 15840790, 17316640, 17424869, 18103760, 19914136, 24243296, 24892670, 25345264, 30304120, 31681580, 34849738, 36207520, 39828272, 49785340, 50690528, 60608240, 63363160, 69699476, 79656544, 87124345, 99570680, 121216480, 126726320, 139398952, 174248690, 199141360, 253452640, 278797904, 348497380, 398282720, 557595808, 696994760, 1393989520, 2787979040]

約数ペア:

[(1, 2787979040), (2, 1393989520), (4, 696994760), (5, 557595808), (7, 398282720), (8, 348497380), (10, 278797904), (11, 253452640), (14, 199141360), (16, 174248690), (20, 139398952), (22, 126726320), (23, 121216480), (28, 99570680), (32, 87124345), (35, 79656544), (40, 69699476), (44, 63363160), (46, 60608240), (55, 50690528), (56, 49785340), (70, 39828272), (77, 36207520), (80, 34849738), (88, 31681580), (92, 30304120), (110, 25345264), (112, 24892670), (115, 24243296), (140, 19914136), (154, 18103760), (160, 17424869), (161, 17316640), (176, 15840790), (184, 15152060), (220, 12672632), (224, 12446335), (230, 12121648), (253, 11019680), (280, 9957068), (308, 9051880), (322, 8658320), (352, 7920395), (368, 7576030), (385, 7241504), (440, 6336316), (460, 6060824), (506, 5509840), (560, 4978534), (616, 4525940), (644, 4329160), (736, 3788015), (770, 3620752), (805, 3463328), (880, 3168158), (920, 3030412), (1012, 2754920), (1120, 2489267), (1232, 2262970), (1265, 2203936), (1288, 2164580), (1540, 1810376), (1610, 1731664), (1760, 1584079), (1771, 1574240), (1840, 1515206), (2024, 1377460), (2464, 1131485), (2530, 1101968), (2576, 1082290), (3080, 905188), (3220, 865832), (3542, 787120), (3680, 757603), (4048, 688730), (5060, 550984), (5152, 541145), (6160, 452594), (6440, 432916), (7084, 393560), (8096, 344365), (8855, 314848), (9839, 283360), (10120, 275492), (12320, 226297), (12880, 216458), (14168, 196780), (17710, 157424), (19678, 141680), (20240, 137746), (25760, 108229), (28336, 98390), (35420, 78712), (39356, 70840), (40480, 68873), (49195, 56672)]