7457940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{1973}}^1$

素因数の和:1998

約数の個数: 96

約数和(自身を含む): 26530560

約数和(自身を除く): 19072620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 1973, 3780, 3946, 5919, 7892, 9865, 11838, 13811, 17757, 19730, 23676, 27622, 29595, 35514, 39460, 41433, 53271, 55244, 59190, 69055, 71028, 82866, 88785, 106542, 118380, 124299, 138110, 165732, 177570, 207165, 213084, 248598, 266355, 276220, 355140, 372897, 414330, 497196, 532710, 621495, 745794, 828660, 1065420, 1242990, 1491588, 1864485, 2485980, 3728970, 7457940]

約数ペア:

[(1, 7457940), (2, 3728970), (3, 2485980), (4, 1864485), (5, 1491588), (6, 1242990), (7, 1065420), (9, 828660), (10, 745794), (12, 621495), (14, 532710), (15, 497196), (18, 414330), (20, 372897), (21, 355140), (27, 276220), (28, 266355), (30, 248598), (35, 213084), (36, 207165), (42, 177570), (45, 165732), (54, 138110), (60, 124299), (63, 118380), (70, 106542), (84, 88785), (90, 82866), (105, 71028), (108, 69055), (126, 59190), (135, 55244), (140, 53271), (180, 41433), (189, 39460), (210, 35514), (252, 29595), (270, 27622), (315, 23676), (378, 19730), (420, 17757), (540, 13811), (630, 11838), (756, 9865), (945, 7892), (1260, 5919), (1890, 3946), (1973, 3780)]