1243214720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1289}}^1$

素因数の和:1456

約数の個数: 128

約数和(自身を含む): 3268447200

約数和(自身を除く): 2025232480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 137, 160, 176, 220, 274, 320, 352, 440, 548, 640, 685, 704, 880, 1096, 1289, 1370, 1408, 1507, 1760, 2192, 2578, 2740, 3014, 3520, 4384, 5156, 5480, 6028, 6445, 7040, 7535, 8768, 10312, 10960, 12056, 12890, 14179, 15070, 17536, 20624, 21920, 24112, 25780, 28358, 30140, 41248, 43840, 48224, 51560, 56716, 60280, 70895, 82496, 87680, 96448, 103120, 113432, 120560, 141790, 164992, 176593, 192896, 206240, 226864, 241120, 283580, 353186, 412480, 453728, 482240, 567160, 706372, 824960, 882965, 907456, 964480, 1134320, 1412744, 1765930, 1814912, 1942523, 2268640, 2825488, 3531860, 3885046, 4537280, 5650976, 7063720, 7770092, 9074560, 9712615, 11301952, 14127440, 15540184, 19425230, 22603904, 28254880, 31080368, 38850460, 56509760, 62160736, 77700920, 113019520, 124321472, 155401840, 248642944, 310803680, 621607360, 1243214720]

約数ペア:

[(1, 1243214720), (2, 621607360), (4, 310803680), (5, 248642944), (8, 155401840), (10, 124321472), (11, 113019520), (16, 77700920), (20, 62160736), (22, 56509760), (32, 38850460), (40, 31080368), (44, 28254880), (55, 22603904), (64, 19425230), (80, 15540184), (88, 14127440), (110, 11301952), (128, 9712615), (137, 9074560), (160, 7770092), (176, 7063720), (220, 5650976), (274, 4537280), (320, 3885046), (352, 3531860), (440, 2825488), (548, 2268640), (640, 1942523), (685, 1814912), (704, 1765930), (880, 1412744), (1096, 1134320), (1289, 964480), (1370, 907456), (1408, 882965), (1507, 824960), (1760, 706372), (2192, 567160), (2578, 482240), (2740, 453728), (3014, 412480), (3520, 353186), (4384, 283580), (5156, 241120), (5480, 226864), (6028, 206240), (6445, 192896), (7040, 176593), (7535, 164992), (8768, 141790), (10312, 120560), (10960, 113432), (12056, 103120), (12890, 96448), (14179, 87680), (15070, 82496), (17536, 70895), (20624, 60280), (21920, 56716), (24112, 51560), (25780, 48224), (28358, 43840), (30140, 41248)]