2485980

素因数分解:

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

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 8622432

約数和(自身を除く): 6136452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1973, 3946, 5919, 7892, 9865, 11838, 13811, 17757, 19730, 23676, 27622, 29595, 35514, 39460, 41433, 55244, 59190, 69055, 71028, 82866, 88785, 118380, 124299, 138110, 165732, 177570, 207165, 248598, 276220, 355140, 414330, 497196, 621495, 828660, 1242990, 2485980]

約数ペア:

[(1, 2485980), (2, 1242990), (3, 828660), (4, 621495), (5, 497196), (6, 414330), (7, 355140), (9, 276220), (10, 248598), (12, 207165), (14, 177570), (15, 165732), (18, 138110), (20, 124299), (21, 118380), (28, 88785), (30, 82866), (35, 71028), (36, 69055), (42, 59190), (45, 55244), (60, 41433), (63, 39460), (70, 35514), (84, 29595), (90, 27622), (105, 23676), (126, 19730), (140, 17757), (180, 13811), (210, 11838), (252, 9865), (315, 7892), (420, 5919), (630, 3946), (1260, 1973)]