30768000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 102155040

約数和(自身を除く): 71387040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 480, 500, 600, 640, 641, 750, 800, 960, 1000, 1200, 1282, 1500, 1600, 1920, 1923, 2000, 2400, 2564, 3000, 3200, 3205, 3846, 4000, 4800, 5128, 6000, 6410, 7692, 8000, 9600, 9615, 10256, 12000, 12820, 15384, 16000, 16025, 19230, 20512, 24000, 25640, 30768, 32050, 38460, 41024, 48000, 48075, 51280, 61536, 64100, 76920, 80125, 82048, 96150, 102560, 123072, 128200, 153840, 160250, 192300, 205120, 240375, 246144, 256400, 307680, 320500, 384600, 410240, 480750, 512800, 615360, 641000, 769200, 961500, 1025600, 1230720, 1282000, 1538400, 1923000, 2051200, 2564000, 3076800, 3846000, 5128000, 6153600, 7692000, 10256000, 15384000, 30768000]

約数ペア:

[(1, 30768000), (2, 15384000), (3, 10256000), (4, 7692000), (5, 6153600), (6, 5128000), (8, 3846000), (10, 3076800), (12, 2564000), (15, 2051200), (16, 1923000), (20, 1538400), (24, 1282000), (25, 1230720), (30, 1025600), (32, 961500), (40, 769200), (48, 641000), (50, 615360), (60, 512800), (64, 480750), (75, 410240), (80, 384600), (96, 320500), (100, 307680), (120, 256400), (125, 246144), (128, 240375), (150, 205120), (160, 192300), (192, 160250), (200, 153840), (240, 128200), (250, 123072), (300, 102560), (320, 96150), (375, 82048), (384, 80125), (400, 76920), (480, 64100), (500, 61536), (600, 51280), (640, 48075), (641, 48000), (750, 41024), (800, 38460), (960, 32050), (1000, 30768), (1200, 25640), (1282, 24000), (1500, 20512), (1600, 19230), (1920, 16025), (1923, 16000), (2000, 15384), (2400, 12820), (2564, 12000), (3000, 10256), (3200, 9615), (3205, 9600), (3846, 8000), (4000, 7692), (4800, 6410), (5128, 6000)]