561431520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 288

約数和(自身を含む): 2130559200

約数和(自身を除く): 1569127680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 338, 351, 360, 390, 416, 432, 468, 480, 507, 520, 540, 585, 624, 676, 702, 720, 769, 780, 845, 864, 936, 1014, 1040, 1080, 1170, 1248, 1352, 1404, 1440, 1521, 1538, 1560, 1690, 1755, 1872, 2028, 2080, 2160, 2307, 2340, 2535, 2704, 2808, 3042, 3076, 3120, 3380, 3510, 3744, 3845, 4056, 4320, 4563, 4614, 4680, 5070, 5408, 5616, 6084, 6152, 6240, 6760, 6921, 7020, 7605, 7690, 8112, 9126, 9228, 9360, 9997, 10140, 11232, 11535, 12168, 12304, 13520, 13842, 14040, 15210, 15380, 16224, 18252, 18456, 18720, 19994, 20280, 20763, 22815, 23070, 24336, 24608, 27040, 27684, 28080, 29991, 30420, 30760, 34605, 36504, 36912, 39988, 40560, 41526, 45630, 46140, 48672, 49985, 55368, 56160, 59982, 60840, 61520, 69210, 73008, 73824, 79976, 81120, 83052, 89973, 91260, 92280, 99970, 103815, 110736, 119964, 121680, 123040, 129961, 138420, 146016, 149955, 159952, 166104, 179946, 182520, 184560, 199940, 207630, 221472, 239928, 243360, 259922, 269919, 276840, 299910, 319904, 332208, 359892, 365040, 369120, 389883, 399880, 415260, 449865, 479856, 519844, 539838, 553680, 599820, 649805, 664416, 719784, 730080, 779766, 799760, 830520, 899730, 959712, 1039688, 1079676, 1107360, 1169649, 1199640, 1299610, 1349595, 1439568, 1559532, 1599520, 1661040, 1799460, 1949415, 2079376, 2159352, 2339298, 2399280, 2599220, 2699190, 2879136, 3119064, 3322080, 3508947, 3598920, 3898830, 4158752, 4318704, 4678596, 4798560, 5198440, 5398380, 5848245, 6238128, 7017894, 7197840, 7797660, 8637408, 9357192, 10396880, 10796760, 11696490, 12476256, 14035788, 14395680, 15595320, 17544735, 18714384, 20793760, 21593520, 23392980, 28071576, 31190640, 35089470, 37428768, 43187040, 46785960, 56143152, 62381280, 70178940, 93571920, 112286304, 140357880, 187143840, 280715760, 561431520]

約数ペア:

[(1, 561431520), (2, 280715760), (3, 187143840), (4, 140357880), (5, 112286304), (6, 93571920), (8, 70178940), (9, 62381280), (10, 56143152), (12, 46785960), (13, 43187040), (15, 37428768), (16, 35089470), (18, 31190640), (20, 28071576), (24, 23392980), (26, 21593520), (27, 20793760), (30, 18714384), (32, 17544735), (36, 15595320), (39, 14395680), (40, 14035788), (45, 12476256), (48, 11696490), (52, 10796760), (54, 10396880), (60, 9357192), (65, 8637408), (72, 7797660), (78, 7197840), (80, 7017894), (90, 6238128), (96, 5848245), (104, 5398380), (108, 5198440), (117, 4798560), (120, 4678596), (130, 4318704), (135, 4158752), (144, 3898830), (156, 3598920), (160, 3508947), (169, 3322080), (180, 3119064), (195, 2879136), (208, 2699190), (216, 2599220), (234, 2399280), (240, 2339298), (260, 2159352), (270, 2079376), (288, 1949415), (312, 1799460), (338, 1661040), (351, 1599520), (360, 1559532), (390, 1439568), (416, 1349595), (432, 1299610), (468, 1199640), (480, 1169649), (507, 1107360), (520, 1079676), (540, 1039688), (585, 959712), (624, 899730), (676, 830520), (702, 799760), (720, 779766), (769, 730080), (780, 719784), (845, 664416), (864, 649805), (936, 599820), (1014, 553680), (1040, 539838), (1080, 519844), (1170, 479856), (1248, 449865), (1352, 415260), (1404, 399880), (1440, 389883), (1521, 369120), (1538, 365040), (1560, 359892), (1690, 332208), (1755, 319904), (1872, 299910), (2028, 276840), (2080, 269919), (2160, 259922), (2307, 243360), (2340, 239928), (2535, 221472), (2704, 207630), (2808, 199940), (3042, 184560), (3076, 182520), (3120, 179946), (3380, 166104), (3510, 159952), (3744, 149955), (3845, 146016), (4056, 138420), (4320, 129961), (4563, 123040), (4614, 121680), (4680, 119964), (5070, 110736), (5408, 103815), (5616, 99970), (6084, 92280), (6152, 91260), (6240, 89973), (6760, 83052), (6921, 81120), (7020, 79976), (7605, 73824), (7690, 73008), (8112, 69210), (9126, 61520), (9228, 60840), (9360, 59982), (9997, 56160), (10140, 55368), (11232, 49985), (11535, 48672), (12168, 46140), (12304, 45630), (13520, 41526), (13842, 40560), (14040, 39988), (15210, 36912), (15380, 36504), (16224, 34605), (18252, 30760), (18456, 30420), (18720, 29991), (19994, 28080), (20280, 27684), (20763, 27040), (22815, 24608), (23070, 24336)]