15664000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 42962400

約数和(自身を除く): 27298400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 89, 100, 110, 125, 128, 160, 176, 178, 200, 220, 250, 275, 320, 352, 356, 400, 440, 445, 500, 550, 640, 704, 712, 800, 880, 890, 979, 1000, 1100, 1375, 1408, 1424, 1600, 1760, 1780, 1958, 2000, 2200, 2225, 2750, 2848, 3200, 3520, 3560, 3916, 4000, 4400, 4450, 4895, 5500, 5696, 7040, 7120, 7832, 8000, 8800, 8900, 9790, 11000, 11125, 11392, 14240, 15664, 16000, 17600, 17800, 19580, 22000, 22250, 24475, 28480, 31328, 35200, 35600, 39160, 44000, 44500, 48950, 56960, 62656, 71200, 78320, 88000, 89000, 97900, 122375, 125312, 142400, 156640, 176000, 178000, 195800, 244750, 284800, 313280, 356000, 391600, 489500, 626560, 712000, 783200, 979000, 1424000, 1566400, 1958000, 3132800, 3916000, 7832000, 15664000]

約数ペア:

[(1, 15664000), (2, 7832000), (4, 3916000), (5, 3132800), (8, 1958000), (10, 1566400), (11, 1424000), (16, 979000), (20, 783200), (22, 712000), (25, 626560), (32, 489500), (40, 391600), (44, 356000), (50, 313280), (55, 284800), (64, 244750), (80, 195800), (88, 178000), (89, 176000), (100, 156640), (110, 142400), (125, 125312), (128, 122375), (160, 97900), (176, 89000), (178, 88000), (200, 78320), (220, 71200), (250, 62656), (275, 56960), (320, 48950), (352, 44500), (356, 44000), (400, 39160), (440, 35600), (445, 35200), (500, 31328), (550, 28480), (640, 24475), (704, 22250), (712, 22000), (800, 19580), (880, 17800), (890, 17600), (979, 16000), (1000, 15664), (1100, 14240), (1375, 11392), (1408, 11125), (1424, 11000), (1600, 9790), (1760, 8900), (1780, 8800), (1958, 8000), (2000, 7832), (2200, 7120), (2225, 7040), (2750, 5696), (2848, 5500), (3200, 4895), (3520, 4450), (3560, 4400), (3916, 4000)]