30466480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 78343200

約数和(自身を除く): 47876720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 389, 440, 445, 712, 778, 880, 890, 979, 1424, 1556, 1780, 1945, 1958, 3112, 3560, 3890, 3916, 4279, 4895, 6224, 7120, 7780, 7832, 8558, 9790, 15560, 15664, 17116, 19580, 21395, 31120, 34232, 34621, 39160, 42790, 68464, 69242, 78320, 85580, 138484, 171160, 173105, 276968, 342320, 346210, 380831, 553936, 692420, 761662, 1384840, 1523324, 1904155, 2769680, 3046648, 3808310, 6093296, 7616620, 15233240, 30466480]

約数ペア:

[(1, 30466480), (2, 15233240), (4, 7616620), (5, 6093296), (8, 3808310), (10, 3046648), (11, 2769680), (16, 1904155), (20, 1523324), (22, 1384840), (40, 761662), (44, 692420), (55, 553936), (80, 380831), (88, 346210), (89, 342320), (110, 276968), (176, 173105), (178, 171160), (220, 138484), (356, 85580), (389, 78320), (440, 69242), (445, 68464), (712, 42790), (778, 39160), (880, 34621), (890, 34232), (979, 31120), (1424, 21395), (1556, 19580), (1780, 17116), (1945, 15664), (1958, 15560), (3112, 9790), (3560, 8558), (3890, 7832), (3916, 7780), (4279, 7120), (4895, 6224)]