76486720

素因数分解:

$2^6\times 5^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:995

約数の個数: 56

約数和(自身を含む): 182880000

約数和(自身を除く): 106393280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 479, 499, 958, 998, 1916, 1996, 2395, 2495, 3832, 3992, 4790, 4990, 7664, 7984, 9580, 9980, 15328, 15968, 19160, 19960, 30656, 31936, 38320, 39920, 76640, 79840, 153280, 159680, 239021, 478042, 956084, 1195105, 1912168, 2390210, 3824336, 4780420, 7648672, 9560840, 15297344, 19121680, 38243360, 76486720]

約数ペア:

[(1, 76486720), (2, 38243360), (4, 19121680), (5, 15297344), (8, 9560840), (10, 7648672), (16, 4780420), (20, 3824336), (32, 2390210), (40, 1912168), (64, 1195105), (80, 956084), (160, 478042), (320, 239021), (479, 159680), (499, 153280), (958, 79840), (998, 76640), (1916, 39920), (1996, 38320), (2395, 31936), (2495, 30656), (3832, 19960), (3992, 19160), (4790, 15968), (4990, 15328), (7664, 9980), (7984, 9580)]