887998720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 2637250560

約数和(自身を除く): 1749251840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 128, 139, 140, 155, 160, 161, 184, 217, 224, 230, 248, 256, 278, 280, 310, 320, 322, 368, 434, 448, 460, 496, 556, 560, 620, 640, 644, 695, 713, 736, 805, 868, 896, 920, 973, 992, 1085, 1112, 1120, 1240, 1280, 1288, 1390, 1426, 1472, 1610, 1736, 1792, 1840, 1946, 1984, 2170, 2224, 2240, 2480, 2576, 2780, 2852, 2944, 3197, 3220, 3472, 3565, 3680, 3892, 3968, 4309, 4340, 4448, 4480, 4865, 4960, 4991, 5152, 5560, 5704, 5888, 6394, 6440, 6944, 7130, 7360, 7784, 7936, 8618, 8680, 8896, 8960, 9730, 9920, 9982, 10304, 11120, 11408, 12788, 12880, 13888, 14260, 14720, 15568, 15985, 17236, 17360, 17792, 19460, 19840, 19964, 20608, 21545, 22240, 22379, 22816, 24955, 25576, 25760, 27776, 28520, 29440, 30163, 31136, 31970, 34472, 34720, 35584, 38920, 39680, 39928, 41216, 43090, 44480, 44758, 45632, 49910, 51152, 51520, 55552, 57040, 60326, 62272, 63940, 68944, 69440, 77840, 79856, 86180, 88960, 89516, 91264, 99107, 99820, 102304, 103040, 111895, 114080, 120652, 124544, 127880, 137888, 138880, 150815, 155680, 159712, 172360, 177920, 179032, 182528, 198214, 199640, 204608, 206080, 223790, 228160, 241304, 249088, 255760, 275776, 277760, 301630, 311360, 319424, 344720, 358064, 396428, 399280, 409216, 447580, 456320, 482608, 495535, 511520, 551552, 603260, 622720, 638848, 689440, 693749, 716128, 792856, 798560, 818432, 895160, 912640, 965216, 991070, 1023040, 1103104, 1206520, 1245440, 1277696, 1378880, 1387498, 1432256, 1585712, 1597120, 1790320, 1930432, 1982140, 2046080, 2413040, 2757760, 2774996, 2864512, 3171424, 3194240, 3468745, 3580640, 3860864, 3964280, 4092160, 4826080, 5515520, 5549992, 5729024, 6342848, 6388480, 6937490, 7161280, 7721728, 7928560, 9652160, 11099984, 12685696, 13874980, 14322560, 15857120, 19304320, 22199968, 25371392, 27749960, 28645120, 31714240, 38608640, 44399936, 55499920, 63428480, 88799872, 110999840, 126856960, 177599744, 221999680, 443999360, 887998720]

約数ペア:

[(1, 887998720), (2, 443999360), (4, 221999680), (5, 177599744), (7, 126856960), (8, 110999840), (10, 88799872), (14, 63428480), (16, 55499920), (20, 44399936), (23, 38608640), (28, 31714240), (31, 28645120), (32, 27749960), (35, 25371392), (40, 22199968), (46, 19304320), (56, 15857120), (62, 14322560), (64, 13874980), (70, 12685696), (80, 11099984), (92, 9652160), (112, 7928560), (115, 7721728), (124, 7161280), (128, 6937490), (139, 6388480), (140, 6342848), (155, 5729024), (160, 5549992), (161, 5515520), (184, 4826080), (217, 4092160), (224, 3964280), (230, 3860864), (248, 3580640), (256, 3468745), (278, 3194240), (280, 3171424), (310, 2864512), (320, 2774996), (322, 2757760), (368, 2413040), (434, 2046080), (448, 1982140), (460, 1930432), (496, 1790320), (556, 1597120), (560, 1585712), (620, 1432256), (640, 1387498), (644, 1378880), (695, 1277696), (713, 1245440), (736, 1206520), (805, 1103104), (868, 1023040), (896, 991070), (920, 965216), (973, 912640), (992, 895160), (1085, 818432), (1112, 798560), (1120, 792856), (1240, 716128), (1280, 693749), (1288, 689440), (1390, 638848), (1426, 622720), (1472, 603260), (1610, 551552), (1736, 511520), (1792, 495535), (1840, 482608), (1946, 456320), (1984, 447580), (2170, 409216), (2224, 399280), (2240, 396428), (2480, 358064), (2576, 344720), (2780, 319424), (2852, 311360), (2944, 301630), (3197, 277760), (3220, 275776), (3472, 255760), (3565, 249088), (3680, 241304), (3892, 228160), (3968, 223790), (4309, 206080), (4340, 204608), (4448, 199640), (4480, 198214), (4865, 182528), (4960, 179032), (4991, 177920), (5152, 172360), (5560, 159712), (5704, 155680), (5888, 150815), (6394, 138880), (6440, 137888), (6944, 127880), (7130, 124544), (7360, 120652), (7784, 114080), (7936, 111895), (8618, 103040), (8680, 102304), (8896, 99820), (8960, 99107), (9730, 91264), (9920, 89516), (9982, 88960), (10304, 86180), (11120, 79856), (11408, 77840), (12788, 69440), (12880, 68944), (13888, 63940), (14260, 62272), (14720, 60326), (15568, 57040), (15985, 55552), (17236, 51520), (17360, 51152), (17792, 49910), (19460, 45632), (19840, 44758), (19964, 44480), (20608, 43090), (21545, 41216), (22240, 39928), (22379, 39680), (22816, 38920), (24955, 35584), (25576, 34720), (25760, 34472), (27776, 31970), (28520, 31136), (29440, 30163)]