128569920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:892

約数の個数: 112

約数和(自身を含む): 410870400

約数和(自身を除く): 282300480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 199, 240, 320, 398, 480, 597, 673, 796, 960, 995, 1194, 1346, 1592, 1990, 2019, 2388, 2692, 2985, 3184, 3365, 3980, 4038, 4776, 5384, 5970, 6368, 6730, 7960, 8076, 9552, 10095, 10768, 11940, 12736, 13460, 15920, 16152, 19104, 20190, 21536, 23880, 26920, 31840, 32304, 38208, 40380, 43072, 47760, 53840, 63680, 64608, 80760, 95520, 107680, 129216, 133927, 161520, 191040, 215360, 267854, 323040, 401781, 535708, 646080, 669635, 803562, 1071416, 1339270, 1607124, 2008905, 2142832, 2678540, 3214248, 4017810, 4285664, 5357080, 6428496, 8035620, 8571328, 10714160, 12856992, 16071240, 21428320, 25713984, 32142480, 42856640, 64284960, 128569920]

約数ペア:

[(1, 128569920), (2, 64284960), (3, 42856640), (4, 32142480), (5, 25713984), (6, 21428320), (8, 16071240), (10, 12856992), (12, 10714160), (15, 8571328), (16, 8035620), (20, 6428496), (24, 5357080), (30, 4285664), (32, 4017810), (40, 3214248), (48, 2678540), (60, 2142832), (64, 2008905), (80, 1607124), (96, 1339270), (120, 1071416), (160, 803562), (192, 669635), (199, 646080), (240, 535708), (320, 401781), (398, 323040), (480, 267854), (597, 215360), (673, 191040), (796, 161520), (960, 133927), (995, 129216), (1194, 107680), (1346, 95520), (1592, 80760), (1990, 64608), (2019, 63680), (2388, 53840), (2692, 47760), (2985, 43072), (3184, 40380), (3365, 38208), (3980, 32304), (4038, 31840), (4776, 26920), (5384, 23880), (5970, 21536), (6368, 20190), (6730, 19104), (7960, 16152), (8076, 15920), (9552, 13460), (10095, 12736), (10768, 11940)]