261985440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{811}}^1$

素因数の和:1502

約数の個数: 96

約数和(自身を含む): 827499456

約数和(自身を除く): 565514016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 673, 811, 1346, 1622, 2019, 2433, 2692, 3244, 3365, 4038, 4055, 4866, 5384, 6488, 6730, 8076, 8110, 9732, 10095, 10768, 12165, 12976, 13460, 16152, 16220, 19464, 20190, 21536, 24330, 25952, 26920, 32304, 32440, 38928, 40380, 48660, 53840, 64608, 64880, 77856, 80760, 97320, 107680, 129760, 161520, 194640, 323040, 389280, 545803, 1091606, 1637409, 2183212, 2729015, 3274818, 4366424, 5458030, 6549636, 8187045, 8732848, 10916060, 13099272, 16374090, 17465696, 21832120, 26198544, 32748180, 43664240, 52397088, 65496360, 87328480, 130992720, 261985440]

約数ペア:

[(1, 261985440), (2, 130992720), (3, 87328480), (4, 65496360), (5, 52397088), (6, 43664240), (8, 32748180), (10, 26198544), (12, 21832120), (15, 17465696), (16, 16374090), (20, 13099272), (24, 10916060), (30, 8732848), (32, 8187045), (40, 6549636), (48, 5458030), (60, 4366424), (80, 3274818), (96, 2729015), (120, 2183212), (160, 1637409), (240, 1091606), (480, 545803), (673, 389280), (811, 323040), (1346, 194640), (1622, 161520), (2019, 129760), (2433, 107680), (2692, 97320), (3244, 80760), (3365, 77856), (4038, 64880), (4055, 64608), (4866, 53840), (5384, 48660), (6488, 40380), (6730, 38928), (8076, 32440), (8110, 32304), (9732, 26920), (10095, 25952), (10768, 24330), (12165, 21536), (12976, 20190), (13460, 19464), (16152, 16220)]