247360240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 611344800

約数和(自身を除く): 363984560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 760, 872, 1090, 1493, 1520, 1744, 2071, 2180, 2986, 4142, 4360, 5972, 7465, 8284, 8720, 10355, 11944, 14930, 16568, 20710, 23888, 28367, 29860, 33136, 41420, 56734, 59720, 82840, 113468, 119440, 141835, 162737, 165680, 226936, 283670, 325474, 453872, 567340, 650948, 813685, 1134680, 1301896, 1627370, 2269360, 2603792, 3092003, 3254740, 6184006, 6509480, 12368012, 13018960, 15460015, 24736024, 30920030, 49472048, 61840060, 123680120, 247360240]

約数ペア:

[(1, 247360240), (2, 123680120), (4, 61840060), (5, 49472048), (8, 30920030), (10, 24736024), (16, 15460015), (19, 13018960), (20, 12368012), (38, 6509480), (40, 6184006), (76, 3254740), (80, 3092003), (95, 2603792), (109, 2269360), (152, 1627370), (190, 1301896), (218, 1134680), (304, 813685), (380, 650948), (436, 567340), (545, 453872), (760, 325474), (872, 283670), (1090, 226936), (1493, 165680), (1520, 162737), (1744, 141835), (2071, 119440), (2180, 113468), (2986, 82840), (4142, 59720), (4360, 56734), (5972, 41420), (7465, 33136), (8284, 29860), (8720, 28367), (10355, 23888), (11944, 20710), (14930, 16568)]