776998880

素因数分解:

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

素因数の和:222

約数の個数: 288

約数和(自身を含む): 2316625920

約数和(自身を除く): 1539627040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 49, 56, 62, 70, 80, 92, 98, 112, 115, 124, 139, 140, 155, 160, 161, 184, 196, 217, 224, 230, 245, 248, 278, 280, 310, 322, 368, 392, 434, 460, 490, 496, 556, 560, 620, 644, 695, 713, 736, 784, 805, 868, 920, 973, 980, 992, 1085, 1112, 1120, 1127, 1240, 1288, 1390, 1426, 1519, 1568, 1610, 1736, 1840, 1946, 1960, 2170, 2224, 2254, 2480, 2576, 2780, 2852, 3038, 3197, 3220, 3472, 3565, 3680, 3892, 3920, 4309, 4340, 4448, 4508, 4865, 4960, 4991, 5152, 5560, 5635, 5704, 6076, 6394, 6440, 6811, 6944, 7130, 7595, 7784, 7840, 8618, 8680, 9016, 9730, 9982, 11120, 11270, 11408, 12152, 12788, 12880, 13622, 14260, 15190, 15568, 15985, 17236, 17360, 18032, 19460, 19964, 21545, 22240, 22379, 22540, 22816, 24304, 24955, 25576, 25760, 27244, 28520, 30163, 30380, 31136, 31970, 34055, 34472, 34720, 34937, 36064, 38920, 39928, 43090, 44758, 45080, 48608, 49910, 51152, 54488, 57040, 60326, 60760, 63940, 68110, 68944, 69874, 77840, 79856, 86180, 89516, 90160, 99107, 99820, 102304, 108976, 111895, 114080, 120652, 121520, 127880, 136220, 137888, 139748, 150815, 155680, 156653, 159712, 172360, 174685, 179032, 180320, 198214, 199640, 211141, 217952, 223790, 241304, 243040, 255760, 272440, 279496, 301630, 313306, 344720, 349370, 358064, 396428, 399280, 422282, 447580, 482608, 495535, 511520, 544880, 558992, 603260, 626612, 689440, 693749, 698740, 716128, 783265, 792856, 798560, 844564, 895160, 965216, 991070, 1055705, 1089760, 1117984, 1206520, 1253224, 1387498, 1397480, 1566530, 1585712, 1689128, 1790320, 1982140, 2111410, 2413040, 2506448, 2774996, 2794960, 3133060, 3171424, 3378256, 3468745, 3580640, 3964280, 4222820, 4826080, 4856243, 5012896, 5549992, 5589920, 6266120, 6756512, 6937490, 7928560, 8445640, 9712486, 11099984, 12532240, 13874980, 15857120, 16891280, 19424972, 22199968, 24281215, 25064480, 27749960, 33782560, 38849944, 48562430, 55499920, 77699888, 97124860, 110999840, 155399776, 194249720, 388499440, 776998880]

約数ペア:

[(1, 776998880), (2, 388499440), (4, 194249720), (5, 155399776), (7, 110999840), (8, 97124860), (10, 77699888), (14, 55499920), (16, 48562430), (20, 38849944), (23, 33782560), (28, 27749960), (31, 25064480), (32, 24281215), (35, 22199968), (40, 19424972), (46, 16891280), (49, 15857120), (56, 13874980), (62, 12532240), (70, 11099984), (80, 9712486), (92, 8445640), (98, 7928560), (112, 6937490), (115, 6756512), (124, 6266120), (139, 5589920), (140, 5549992), (155, 5012896), (160, 4856243), (161, 4826080), (184, 4222820), (196, 3964280), (217, 3580640), (224, 3468745), (230, 3378256), (245, 3171424), (248, 3133060), (278, 2794960), (280, 2774996), (310, 2506448), (322, 2413040), (368, 2111410), (392, 1982140), (434, 1790320), (460, 1689128), (490, 1585712), (496, 1566530), (556, 1397480), (560, 1387498), (620, 1253224), (644, 1206520), (695, 1117984), (713, 1089760), (736, 1055705), (784, 991070), (805, 965216), (868, 895160), (920, 844564), (973, 798560), (980, 792856), (992, 783265), (1085, 716128), (1112, 698740), (1120, 693749), (1127, 689440), (1240, 626612), (1288, 603260), (1390, 558992), (1426, 544880), (1519, 511520), (1568, 495535), (1610, 482608), (1736, 447580), (1840, 422282), (1946, 399280), (1960, 396428), (2170, 358064), (2224, 349370), (2254, 344720), (2480, 313306), (2576, 301630), (2780, 279496), (2852, 272440), (3038, 255760), (3197, 243040), (3220, 241304), (3472, 223790), (3565, 217952), (3680, 211141), (3892, 199640), (3920, 198214), (4309, 180320), (4340, 179032), (4448, 174685), (4508, 172360), (4865, 159712), (4960, 156653), (4991, 155680), (5152, 150815), (5560, 139748), (5635, 137888), (5704, 136220), (6076, 127880), (6394, 121520), (6440, 120652), (6811, 114080), (6944, 111895), (7130, 108976), (7595, 102304), (7784, 99820), (7840, 99107), (8618, 90160), (8680, 89516), (9016, 86180), (9730, 79856), (9982, 77840), (11120, 69874), (11270, 68944), (11408, 68110), (12152, 63940), (12788, 60760), (12880, 60326), (13622, 57040), (14260, 54488), (15190, 51152), (15568, 49910), (15985, 48608), (17236, 45080), (17360, 44758), (18032, 43090), (19460, 39928), (19964, 38920), (21545, 36064), (22240, 34937), (22379, 34720), (22540, 34472), (22816, 34055), (24304, 31970), (24955, 31136), (25576, 30380), (25760, 30163), (27244, 28520)]